问题

Why didn’t you try to finish the composition?— I tried to , but I could, the bell rang announcing the end of the examination time

A:until
B:when
C:before
D:after

正确答案是：

同类题型

We have to try harder and ____________ a better idea to solve the problem.

Listen! Who ______ in the classroom

She didn’t mention her troubles to Mr Li，who might have helped her ______

Please do me a favor — ______ my friend Mr. Smith toYouth Theater at 7:30 tonight.

The charity sale our school organizes every year has taught us much. _______ we would never have learned it in class.