11. Jeans have become popular since their appearance. (Rewrite the sentence in another way without changing the meaning).

-) Since jeans.....

12. My friend called me in the middle of (during) my dinner. (Complete the sentence)

-)While ......

13. I want these students to collect the garbage. (change the sentence into the passive voice)

-) I want the garbage ......

14. I'm reading a 200-page novel. (Rewrite the sentences, use the relative pronoun “which")

-) I'm reading.....

15. taxi driver/ take / us / airport/ last Sunday / be / humorous. (Complete the sentence)

.........

1. the trip lasted for three days

-> Is was a

2. It is my habit to review my lessons early in the morning

-> I am