题目内容

_______ alloy may be used to replace copper.

A. Such a
B. Some such
C. Such some
D. Several such

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Please send _______ samples to London by air.

A. these enough
B. five these
C. enough these
D. these five

Are you going to buy ______ rice?

A. all these
B. these all
C. all this
D. both these

They want at least _______ salaries.

A. their double
B. double their
C. enough their
D. their enough

__________ factors should be considered.

A. These all
B. Such all
C. All such
D. Some these

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