问题
So you were in the supermarket __________ you heard a strange sound, right?—That’s true. I ran out as quickly as possible.
A:when
B:while
C:then
D:which
B:while
C:then
D:which
正确答案是：
同类题型
He is______ outstanding boy. He studies in______ universitythat I like very much.
_______ is this backpack?—It’s yellow.[ ]
Could you tell me __________？—Sorry, I don’t know.
Look! These red shorts are _____ sale _____ only $8.[ ]
_____ will you play basketball with me?—In about 20 minutes after finishing my homework.