问题

The science of medicine _______ progress has been rapid lately is perhaps the most important of all the science.
A:which
B:in which
C:that
D:with which
B:in which
C:that
D:with which
正确答案是:
同类题型
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The headmaster spoke as _____ as she could to make the students understand her.
I haven’t heard from Henry for a long time-What do you think ________ to him?