1. It is over 3 months since Peter (last) had his hair cut.
2. What I meant (to do) was to post that letter before lunch.
3. Only if you increase the publicity will people become aware of the problem.
4. Enormous efforts/attempts have been made by scientists to find a cure for AIDS.
5. The harder you work, the more successful you are I will be.
6. She found it too difficult to finish the job by lunchtime.
7. The keys were thought to have been found out accidentally by the little girl.
-8. It has been suggested that income tax (should) be abolished.
9. You should not have allowed a four-year-old child to walk home alone.
10. - But for the heavy rain, we would not have been late for the meeting/ would have
been in time for the meeting
- But for the fact that it rained heavily, we would not have been late for the
meeting.
CÂU NÀY CÓ BẠN ĐÃ TỪNG HỎI RỒI !