题目内容
（天津卷14）. As a new graduate, he doesn’t know _______ it takes to start a business here.
A. how B. what C. when D. which
B
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（天津卷14）. As a new graduate, he doesn’t know _______ it takes to start a business here.
A. how B. what C. when D. which
B
阅读快车系列答案