问题

We’ll discuss the problem ________ lunch time
A:at
B:over
C:of
D:when
B:over
C:of
D:when
正确答案是:
同类题型
The singer’s flight was due to bad weather, resulting in the show .
While he has failed again and again, he never gives up in order to _____his dream. [ ]
If the question ______ incorrectly, _______question will be given to you
_____ important news report you’ve given us !— I’m glad you enjoy it.
Going to the Anne’s wedding to be held this weekend—_____ I’ll be free then.