17. Peter and Wendy first (A) met in 2006 (B), and they are (C) married for three years now (D).

C. are sửa thành have been
18. Some (A) people are believing (B) there is life on (C) other (D) planets.

B. are believing sửa thành believe
19. Recently, the island of Hawaii (A) had been (B) the subject of intensive research (C) on the occurrence (D) of earthquakes.

 B. had been sửa thành has been.
20. Every morning, the sun shines (A) in my bedroom window (B) and waking (C) me up (D).

C. waking sửa thành wake
21. The man died as (A) a result of falling (B) asleep (C) while he drives (D).

C asleep sửa thành sleep
22. I haven’t finished (A) the report yet (B),but by the time you return (C) I will certainly complete (D) it.

C return --> returned
23. Caroline has worn (A) her new yellow (B) dress only once (C) since she buys (D) it.

D. buys sửa thành bought
24. We’ll be cycled (A) to Hoa’s village (B) at (C) this time next (D) Sunday.

A. We’ll be cycled ⇒ We’ll be cycling 
25. What will (A) you do (B) when (C) your friends won’t come (D) ?

D. won’t come ⇒ don’t come