It is difficult to get used to sleep in a tent after having a soft comfortable

Câu hỏi :

It is difficult to get used to sleep in a tent after having a soft comfortable bed to lie on.

A.It is difficult

B.to get used to sleep

C.a soft comfortable bed

D.lie

* Đáp án

* Hướng dẫn giải

   Đáp án là B. to get used to sleep => to get used to sleeping. Cấu trúc : to get used to V: quen với ....

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