21. He became (interest) in (reading) (while) he (was working) in the city library.
2 điểm
 
 
 
A. interest
 
 
 
B. reading
 
 
 
C. while
 
 
 
D. was working
 
 
22. My father (has retired) three years ago and he (is now living) (on) his (pension).
2 điểm
 
 
 
A. has retired
 
 
 
B. is now living
 
 
 
C. on
 
 
 
D. pension
 
 
23. It (took) (me) (so many) time (to learn) this lesson.
2 điểm
 
 
 
A. took
 
 
 
B. me
 
 
 
C. so many
 
 
 
D. to learn
 
 
24. They (listened to) their teacher (carefully), (as) they understood the lesson (easily).
2 điểm
 
 
 
A. listened to
 
 
 
B. carefully
 
 
 
C. as
 
 
 
D. easily
 
 
25. The police (asked) the man (don’t) remove (his hands) (from) the steering wheel.
2 điểm
 
 
 
A. asked
 
 
 
B. don’t
 
 
 
C. his hands
 
 
 
D. from

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