Tom was slow to catch _______, but gradually he began to understand

Tom was slow to catch _______, but gradually he began to understand

Đề bài: Tom was slow to catch _______, but gradually he began to understand.

A. in

B. on

C. away 

D. out

Lời giải:

Đáp án: B

Giải thích: catch on: hiểu

Dịch: Tom chậm hiểu, nhưng dần dần anh ấy bắt đầu hiểu ra.