We should spend as much time as we over our lessons.A. goB. can to goC. can goD. can goin

问题补充：

We should spend as much time as we over our lessons.

A. go

B. can to go

C. can go

D. can going

答案：

A. go

B. can to go

C. can go

(答案→)D. can going

解析：考查动词形式。本题句中运用省略as much time we can (spend)，spend (in) doing花费时间做，故选D。