题目内容
－________ they ________ trees now?
－No, they ________ next week．
[ ]
A．Do; plant; are planting
B．Are; planting; plant
C．Are; planting; will plant
D．Will; plant; are planting
答案：C
解析：
解析：
|
now用于现在进行时，next week用于将来时． |
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