题目内容

Section A21 Do you think the new engineer can help me ___ my operating skills?

A)improves
B) improved
C)improve
D) has improved

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22.This store doesn't sell furniture, but the one across the street___________.

A is
B will be
C do
D does

23. Do you have any idea about how many companies _________in this office building?

A) there are
B) are there
C) there is
D) is there

24 The presentation of your product is so important _________ it often determines whether a customer buys from you.

A than
B that
C unless
D if

25 .If I they were on sale online, I wouldn't have bought the traveling bags in this store.

A know
B knew
C had known
D have known