The boy found a wallet in the street, and then he …… to return it to the loser.

The boy found a wallet in the street, and then he …… to return it to the loser.

A. tried

B. had tried

C. was trying

D. had been trying
Xem đáp án
A là đáp án đúng
Lời giải:
Vế trước là QKĐ => vế sau là QKĐ