When _________a hill, the driver should build up speed early in order to cut down gasoline consumption.A. approachedB. to approachC. approachD. approaching

When _________a hill, the driver should build up speed early in order to cut down gasoline consumption.

A. approached

B. to approach

C. approach

D. approaching


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______ he come, what you say to him?A. If, willB. Should, wouldC. When, wouldD. Would, do

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早期CD以()的治疗方式疗效好 A.up-downB.Top-upC.Top-downD.ppt-down

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DragtheDSLtechnologiesonthelefttotheirmaximum(down/up)dataratevaluesonthebelow.

[A] up [B] off [C] down [D] on

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