My elder sisters, both of them were doctors, said they were too busy to pick me up.

Câu hỏi :

My elder sisters, both of them were doctors, said they were too busy to pick me up.

A elder 

B both of them 

C too busy

D  to pick 

* Đáp án

B

* Hướng dẫn giải

Phương pháp giải:

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