问题

It’s more than half a century _____ my grandfather joined the Party and became a servant to the people
A:when
B:that
C:since
D:while
B:that
C:since
D:while
正确答案是:
同类题型
His radio is a very old one. It sometimesworks and sometimes it_______
I often __________ books in the evening.
There is not much time left, so I’ll tell you about the plan ________.
The meat is ______expensive and eating_______meat is bad for your health.
thousands of students, many of______ gained great success in their own field.