问题

Why didn’t you try your best to get on the bus?—I tried to , but _______ I could, it started moving

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

正确答案是：

同类题型

The robot needs _______ once a month. And we willcheck it for you for free.

Moyhave imagined how great arole he _______ in the literary world.

Hello, Sandy. This is Jack. What are you doing -I’m watching a match. It started at 7 p.m. and _____ on for another half an hour.

35Don’t sit _____the corner of the deskThat’s impolite for a student

______ number of our class is fifty-nine and ______ number of students are fond of English.