问题补充:
The expo is being held in Shanghai, a lot of advanced technology is shown for the first time.
A. why
B. which
C. when
D. where
答案:
A. why
B. which
C. when
(答案→)D. where
解析:可联系答.案.网客服索取。
时间:2019-10-15 22:03:49
The expo is being held in Shanghai, a lot of advanced technology is shown for the first time.
A. why
B. which
C. when
D. where
A. why
B. which
C. when
(答案→)D. where
解析:可联系答.案.网客服索取。