问题补充:
19..Someone is at the door, who is?
20.
A. this
B. that
C. it
D. He
答案:
A. this
B. that
(答案→)C. it
D. He
解析:可联系答.案.网客服索取。
时间:2018-11-05 08:55:25
19..Someone is at the door, who is?
20.
A. this
B. that
C. it
D. He
A. this
B. that
(答案→)C. it
D. He
解析:可联系答.案.网客服索取。