问题

In his book,he explains both it means to be a scientist and science works.

A:how; how
B:what; that
C:what; how
D:how; that

正确答案是：

同类题型

Our teacher asked us_________ the busafter the trip.

eria is ____ GreatBritain

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Our history teacher is than others. He always starts the lessons with an interesting story.

yed up too late every night,______ tocatch up with his classmates