----Have you known Professor Jackson in our department for a long time ?--Yes, since he

发布时间：2020-08-16 14:33:32

----Have you known Professor Jackson in our department for a long time ?
----Yes, since he      the our university.
A. has e
B. es
C. had e
D. came

网友回答

A. has e
B. es
C. had e
(答案→)D. came
解析：在英文中，since从句通常跟一般过去时，故本题用来的过去式came，故本题选D。
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