问题

What ____________ at nine o’clock lastSunday morning.

A:was you doing
B:were you doing
C:are they doing
D:do you do

正确答案是：

同类题型

.—-Look at the dark clouds outside.please take the umbrella with you.—

下列各句中，没有语病的一句是(　　)

It is extraordinarily difficult to get a leading job in most fields without having been to university,your talents.

Was it at half past five when we were still sound asleep he got up?

We should take care of the blind It is immoral to_______ them