Lincoln had very little free time he could spend studying then.A. whenB. in whichC. at w

发布时间:2020-08-15 02:48:14

Lincoln had very little free time      he could spend studying then.
A. when
B. in which
C. at which
D. which

网友回答

A. when
B. in which
C. at which
(答案→)D. which
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