5000 câu trắc nghiệm Tiếng Anh 9 có đáp án - Phần 96

It's taking me longer to get _________ the operation than I thought. a. through b. by

6/20

It's taking me longer to get _________ the operation than I thought.

through

by

up from

over

Giải thích

Chọn đáp án D