问题

Are you a volunteer now—No, but I _____. I worked for the CitySports Meeting last year.

A:that
B:used to be
C:used to do
D:was used to

正确答案是：

同类题型

The officer commanded that the man _____ to hospital right now. [ ]

They have held several meetings to _____next year’s production plans.

Since the epidemic appeared last winter, it ______ about a hundred lives

Expect everything to go wrong in advance, ________ you may feel at a loss when it does

its role in social education, the Palace Museum is quitting its admission fee for special groups on certaindates.