I him yesterday, but he could not help us.A. callB. called onC. called atD. calls for

发布时间：2020-08-16 12:22:43


I       him yesterday, but he could not help us.
A. call
B. called on
C. called at
D. calls for

网友回答

A. call
(答案→)B. called on
C. called at
D. calls for
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