Exercise 9. Underline and correct the mistake
1. How many orange juice have you had today? ……………………….
2. Some flowers bought for his mother on her birthday yesterday. ………………………
3. The students were not interested in history because it was bored. ………………………
4. She studys engineering at university. ………………………
Exercise 10. Change into the passive
1. A lot of people use cell phones.
……………………………………………………………………………………………….
2. Mr. Vinh teaches our English lessons.
……………………………………………………………………………………………….
3. My mother bought those vegetables.
………………………………………………………………………………………………..
4. Our teachers give us some exercises to prepare for the test.
.……………………………………………………………………………………………….
5. Did you buy this dictionary two weeks ago?
………………………………………………………………………………………………..
