大学英语大学英语大学英语专业四级TEST FOR ENGLISH MAJORS (2005)&-GRADE FOUR-
题目内容

Because fuel supplies are finite and many people are wasteful, we will have to install _________ solar heating device in our home.

2024-07-09

A.some type of

B.some types of a

C.some type of a

D.some types of

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