题目内容

砌块按有无孔洞可分为()和()。

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砌块按用途分为()和()。

What are you favourite ________(科目)?

A. subject
B. subjects

Li Ming has art __ the morning.

A. on
B. at
C. /
D. in

____ are you favourite teachers?

A. How
B. Who

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