― Where is Mr Brown do you know?― Oh sorry. He is out. He back in an hour.A. comesB. go

问题补充：

― Where is Mr Brown, do you know?

― Oh, sorry. He is out. He back in an hour.

A. comes

B. going to come

C. will come

D. shall come

答案：

A. comes

B. going to come

(答案→)C. will come

D. shall come

解析：句意：你知道布朗先生在哪里吗？哦，对不起，他出去了。他一个小时后就回来。句中有in an hour表示将来的时间，要用一般将来时，故选C