Câu 12:
, he went straight home.
A. After he has finished his work
C. as soon as the boss had finished
Câu 13: The bus fare is
A. more expensive
C. the most expensive
Câu 14: The teacher told Ann
A. not talking
Câu 15: The
A. preserves
Câu 16: The flood victims
than this year.
A. provi ...
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