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МатематикаВопрос:
1. You ... all night. You must be exhausted! A 've studied B are studying C 've been studying
Ответ:
1. You 've been studying all night. You must be exhausted!
Ответ: C
Похожие
- 2. They ... him a car when they find an inexpensive one. A were buying B buy C will buy
- 3. If you wake up early, you ... late for work. A be B aren't being C won't be
- 4. Tina's not here. She ... to the mall with her friends. A goes B has been C has gone
- 5. I ... a new digital camera. I'm sure we'll take nice pictures with it. A have bought B have been buying C haven't bought
- 6. If we continue to pollute the environment, many endangered species ... extinct. A will become B become C are becoming
- 7. She ... the house at 7 this morning. A is leaving B left C leaves
- 8. We ... supper when there was a power cut. A were cooking B cooked C are cooking
- 9. Look at that little boy! He ... fall off his bike. A is going to B will C is
