5000 câu trắc nghiệm Tiếng Anh 9 có đáp án - Phần 92

In order to _______ with his studies he worked though the summer. a. take b. catch on

10/20

In order to _______ with his studies he worked though the summer.

take

catch on

catch up

take up

Giải thích

Chọn đáp án C