问题补充:
--- Is Mr. Smith in the office?
--- Yes, he is in charge of the office,he must be there.
A. however
B. since
C. whether
D. for
答案:
A. however
(答案→)B. since
C. whether
D. for
解析:可联系答.案.网客服索取。
时间:2021-02-27 15:16:43
--- Is Mr. Smith in the office?
--- Yes, he is in charge of the office,he must be there.
A. however
B. since
C. whether
D. for
A. however
(答案→)B. since
C. whether
D. for
解析:可联系答.案.网客服索取。