单项选择题

(), we'd better make some changes in the plan.

A. That is the case           
B. That been the case
C. That to be the case         
D. That being the case

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单项选择题
There is no need(). He won't show up.

A. to wait
B. wait
C. waited
D. waiting
单项选择题
This battery needs () before you use the little camera.

A. to recharge
B. being recharged
C. recharge
D. recharging
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