问题

______ the paper on the computer, the electricity was suddenly cut off[ ]

A: While typed up
B: While typing up
C: While he was typing up
D: he was typing up

正确答案是：

同类题型

The red lanterns and colorful banners hanging everywhere ________ the festival atmosphere of the school.

85. You should say "I am sorry "when you knock ________ somebody.

You don’t look .You’d better go to see the doctor.

_____ you have finished your report, you can have it _____

_____this term, we will have learned more than 2,000 words[ ]