Câu 15.He had a toothache. He
A. should
B. will
shoudn't
Câu 16. The boys broke a window when they
A. played.
B. were playing
playing
Câu 17. She enjoys
A. written
B. write
Câu 18. Hoa: How much money do you
B. spend
A. have
Câu 19. They decided
A. not go
go
Câu 20. There is
B. not goi ...
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