Carl hopes to win the tennis game one day. That is he has been practicing hard.A. whyB. h

发布时间：2020-08-17 09:50:21

Carl hopes to win the tennis game one day. That is      he has been practicing hard.
A. why
B. how
C. because
D. where

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(答案→)A. why
B. how
C. because
D. where
解析： 句意：Carl希望有一天赢得网球比赛。这是他为什么努力训练的原因。That is why…，这就是为什么，That is because…那时因为…，所以选A。
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