Алгебра
Английский
Биология
География
Геометрия
История
Русский
Обществознание
Физика
Химия
Информатика
Литература
МатематикаВопрос:
3 perform a Dr Stephens....... an experiment while his students were watching him.
Ответ:
3. Perform:
a. Доктор Стивенс проводил эксперимент, пока его ученики наблюдали за ним.
Dr Stephens was performing an experiment while his students were watching him.
Ответ: Dr Stephens was performing an experiment while his students were watching him.
Похожие
- When she came home, he ................................................(practise) for two hours.
- She ................................................(take) him home yesterday at noon.
- Jane ................................................(help) me with my homework yesterday.
- It ................................................(be) a very harmful experiment.
- Complete the gaps with the Past Perfect or the Past Perfect Continuous. 1 Paul.... (decide) that he was going to study Astronomy before he even finished secondary school.
- 2 Before he got a promotion he..... (not/earn) enough to live comfortably.
- 3 Tom didn't come with us last night because he..... (arrange) to go out with his colleagues after work.
- 4 Before the invention of washing machines, people...... (wash) their clothes by hand for centuries.
- 5 Jill.... (wait) for half an hour before the bus came.
- 6 (Professor Sterling/already/announce) the names of the students who would be in his research team (when Isabel entered the class).
- 7 They..... (live) in Spain before they moved to London.
- Complete the sentences by putting the verbs in each group into the Past Simple, the Past Continuous or the Past Perfect. 1 make a Paul..... a phone call when I went into his office.
- b Paul had some coffee first and then he..... some phone calls.
- c Paul.... twenty phone calls by the time he left the office for the day.
- 2 get a As it dark, the boys decided to go home.
- b When it..... dark, all the lights in the park went on creating a beautiful atmosphere.
- c By the time the boys decided to return home, it...... so dark that they needed a torch to find their way.
- b Dr Stephens a lot of experiments before he made an important discovery.
- c Two weeks ago Dr Stephens experiment with the help university students.
- 4 fall a The baby... asleep, as soon as we put her in her bed.
- b As the baby..... asleep, she was making some funny sounds.
- c The baby...... asleep by the time he got home and he didn't want to wake her up.
- 5 read a Laura..... the report many times before she gave it to her boss.
- b While Laura.... the report, her computer started making strange noises and stopped working.
- c Laura..... the report, switched off her computer and went home.
- Put the verbs in brackets into the Past Perfect or the Past Simple. John 1)..... (wake up) with a strange feeling that morning because he 2)... (have) a strange dream. He 3)..... (not really/believe) that dreams meant anything, but he couldn't stop thinking about the one he 4)..... (just/have). He 5)... (dream) that he was in a foreign country and he was having a meeting with some people he 6).... (not/ know). After he 7).... (get) ready, he 8)..... (leave) for his office and 9)..... (start) doing his work as usual. A few hours later Mr Fulham, his boss, 10) (ask) to see him. John was nervous. He 11) (think) that his boss would give him some bad news. But he was completely wrong! Mr Fulham 12)..... (decide) to give John a promotion and he 13)...... (call) John into his office to give him the good news. He also told him that he was sending him to New York, where he could meet his colleagues from the central office. John 14).... (never/feel) so happy in his life. He 15)... (decide) that from then on he would start paying more attention to his dreams!
- What had you already done by the time ft for school last Monday? Write four es.
