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МатематикаВопрос:
3. Choose the correct answer. 1) You _______ (must/can) use natural medicines only. 2) The water _______ (was able to / couldn't) be cold. It has been very hot these days. 3) The blood vessels of the elderly _______ (mustn't / are not able to) stand the high blood pressure.
Ответ:
1) can
2) couldn't
3) are not able to
1) You can use natural medicines only.
2) The water couldn't be cold. It has been very hot these days.
3) The blood vessels of the elderly are not able to stand the high blood pressure.
Объяснение:
1) Вы можете использовать только натуральные лекарства.
2) Вода не могла быть холодной. В эти дни было очень жарко.
3) Кровеносные сосуды пожилых людей не способны выдерживать высокое кровяное давление.
Похожие
- I. Modals Can / Can't / Must / May / Might / Should 1. Choose the correct answer. 1) The boy is rather young, he _______ (must/can) get the sleep he needs. 2) I think you _______ (mustn't / can't) exercise regularly. You don't have enough time. 3) _______ (must/can) you cope with the stress? 4) This is his father's iPad, we _______ (mustn't / can't) take it. 5) Our students _______ (mustn't / can't) be late for the classes. 6) The milk is rather hot, but I think you _______ (must/can) drink it. 7) The elderly _______ (mustn't / can't) spend much time in the sun. 8) You _______ (must/can) pay for your gym yourself if you want. 9) _______ (must/can) I use your earphones? 10) I _______ (must/can) work harder to get better results.
- 2 Fill in the gaps with can / can't, must / mustn't / should / shouldn't. 1) You _______ use my mobile if you want. 2) _______ I bring my friend with me tomorrow? - Sure. 3) Sorry, but you _______ eat here. 4) There's nobody to help us, but still we _______ do it ourselves. 5) The water in the river isn't very cold, but you _______ swim. 6) Ram _______ take his sister's CDs. She allows him to do it. 7) You _______ take an umbrella in case of rain. 8) She _______ speak Dutch, only English. 9) There's no time left. We _______ hurry up. 10) You _______ take the bus to get to the museum, it's too far to have a walk.
- 3 Fill in the gaps with should / shouldn't / have to / don't have to. 1) Your monitor is rather small. You _______ buy another one. 2) I _______ go to the doctor's, I have a skin infection. 3) My friends _______ play the guitar too loud. It can lead to hearing loss. 4) Children _______ obey their parents. 5) I _______ write my friend a letter, I can send an e-mail instead. 6) He is having dinner at the moment and you _______ disturb him. 7) The answer _______ be given tomorrow. 8) We _______ hurry, our train leaves in 10 minutes. 9) You _______ send too much messages in order not to have thumb arthritis. 10) We _______ use his computer, we've got our own laptop.
- II. Past modals Had to / Didn't have to / Could / Couldn't 1. Rewrite in Past Simple using the words in brackets. 1) I can sing very well. (last year) 2) Can you win this computer game? (in childhood) 3) She can't speak Italian. (some years ago) 4) They can't play snooker. (last year) 5) The children can read French magazines. (at the age of 11) 6) "The Wings" can compose music very well. (in the 80s) 7) My cat can play quite a long time. (when it was a kitten) 8) Father can cook Chinese dishes very well. (last year) 9) Her sister can drive a car very carefully. (at the age of 30) 10) My uncle can achieve success in making computer programmes. (a year ago)
- 2 Fill in the gaps using the words in brackets in Past Simple. 1) She _______ (to have) to treat her immune system some years ago. 2) People _______ (can) use laptops or iPads in the 90s. 3) Jenny _______ (to have) throw a great party yesterday because she turned 30. 4) What _______ (to have) you to do in such situation? 5) I _______ (can) be very patient at the dentist's when a kid. 6) It started to rain and we _______ (to have) to return. 7) She _______ (to have) to experience insomnia last year. 8) They not _______ (to have) to work yesterday. 9) My granny not _______ (can) find the album with old photos. 10) Mike _______ (to have) buy medicine to cure his stomachache yesterday.
