Many trees should be planted on the mountains.A. thousand B. thousand of C. thousands D. thousands of 查看更多

 

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Many _____ trees should be planted on the mountains.

[     ]

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

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Many _____ trees should be planted on the mountains.

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

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Many ________ trees should be planted on the mountains.

[  ]

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

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Many          trees should be planted on the mountains.

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

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