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At this time of a year, the farmers are very busy apples. A. pick B. picking C. picked D. to pick 【查看更多】

 

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At this time of a year, the farmers are very busy _____ apples.
[     ]
A. pick
B. picking
C. picked
D. to pick

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At this time of a year, the farmers are very busy ________ apples．

[　　]

A．pick

B．picking

C．picked

D．to pick

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