----- Nội dung dịch tự động từ ảnh -----
16. I like
up as soon as I finish eating.
A. wash
B. to wash
C. washes
D. washed
17. I'm trying
Chinese though it's very difficult.
A. learn
B. learning
C. learnt
D. to learn
18. We should stop
because it is harmful to our health.
A. smoke
B. smokes
C. smoking
D. to smoke
19. John isn't here. Try
his home number.
A. phoning
B. to phone
C. phones
D. phoned
20. Did you remember
that letter for me?
A. post
B. to post
C. posting
D. posted