问题补充:
he will come is certain.
A. What
B. That
C. Whether
D. If
答案:
A. What
(答案→)B. That
C. Whether
D. If
解析:在主语从句中that不能省略。
时间:2020-08-02 17:10:05
he will come is certain.
A. What
B. That
C. Whether
D. If
A. What
(答案→)B. That
C. Whether
D. If
解析:在主语从句中that不能省略。