问题

It’s more than half a century ________ my grandfather joined the Party and became a servant to the people.
A:since
B:that
C:when
D:while;
B:that
C:when
D:while;
正确答案是:
同类题型
-Do you mind if I sit here -__________. It’s for my friend Cindy.
________ volleyball is her main focus,she’s also great at basketball.(2011·北京)
oor to ours ,who seem to have settled in this community for quite a long time.
Would like to go to the library with me this afternoon— ,but I have to ask my parents first.