I was about to fall asleep______there was a knock at the door.A．asB．whileC．thenD．when

I was about to fall asleep______there was a knock at the door.

A．as

B．while

C．then

D．when

请帮忙给出正确答案和分析，谢谢！

您可能感兴趣的试题

______, he swore that he was not asleep.A．Although I had difficulty in waking himB．Since I

答案解析
I saw the baby was about to fall off the bed and caught it just _____.A. on timeB. a

答案解析
I was about to leave when it _______to me that I had not turned off the gas in the kit

答案解析
Speaker A: I was really glad to hear about your award. Congratulations! Speaker B: ______A

答案解析
Nobody______when I complained about the food, so nothing was done about itA．turned to meB．

答案解析
John fell asleep_____he was listening to the mus

答案解析
I felt somewhat disappointed and was about to leave ______ something occurred which attrac

答案解析