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Huỳnh Thị Thanh Ngân

49. They often went to school by bike when they were young.

A. They used go to school by bike when they were young.

B. They used to going to school by bike when they were young.

C. They used to go to school by bike when they were young.

D. They used to went to school by bike when they were young.

50. She has taught her children to play piano for 4 years.

A. She started teaching her children to play piano 4 years ago.

B. She started to teaching her children to play piano 4 years ago.

C. She started teaching her children to play piano for 4 years ago.

D. She started teaching her children to play piano since 4 years.

Khinh Yên
2 tháng 9 2021 lúc 9:09

C A


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