Many ( ) trees must be planted every year. A. thousand B.thousand of C.thousands of D.thousand 查看更多

 

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Many _____ trees must be planted every year.

[     ]

A. thousand
B. thousand of
C. thousands of
D. thousand

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Many ________ trees must be planted every year.

A. thousand  B. thousand of  C. thousands of  D. thousand

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