问题
It was in the lab ______ was taken chargeof by Pro. Harris ______ they did the experiment.
A:ambition
B:that which
C:whom that
D:which that
B:that which
C:whom that
D:which that
正确答案是：
同类题型
Let me help you carry the box, Granny.—Thank you, Li Ping. It’s very nice you me.
1_______December 11,2001,China formally became the 143rd member of the WTO
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