问题

Where did you find our chemistry teacher? —It was in the lab he was doing his experiment.
A:that
B:where
C:which
D:in which
B:where
C:which
D:in which
正确答案是:
同类题型
What do you think made Celia so happy?— ________ a prize in the recent competition.[ ]
Do you want to _____ at the meeting —No, I have nothing to _____.
What do you think is_________ to happen to me tomorrow?—Sorry,I don’t know.
Your understanding on the theory is____satisfactory. You must read more after class.