----I this morning, but he could not e.
----Well, we’d better go and at his office.
A. called him; call on him
B. called on him; call him
C. called at him; call
D. called him; call at him
网友回答
(答案→)A. called him; call on him
B. called on him; call him
C. called at him; call
D. called him; call at him
解析：可联系答.案.网客服索取。