It is difficult ___________ all the instructions at the same time A. to remember

Câu hỏi :

It is difficult ___________ all the instructions at the same time

A. to remember

B. remember

C. remembering

D. remembered

* Đáp án

A

* Hướng dẫn giải

It's + adj + to-V: như thế nào để làm gì

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