问题补充:
—When did the Shanghai Expo open?
—May 1st, .
A. In
B. On
C. At
D. By
答案:
A. In
(答案→)B. On
C. At
D. By
解析:在时间前只要有天的前用介词on,本题中有个1号,故本题选B。
时间:2022-06-18 10:34:30
—When did the Shanghai Expo open?
—May 1st, .
A. In
B. On
C. At
D. By
A. In
(答案→)B. On
C. At
D. By
解析:在时间前只要有天的前用介词on,本题中有个1号,故本题选B。