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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