问题

Our manager never fails to answer a phone call______ she is very busy
A:that
B:when
C:which
D:it
B:when
C:which
D:it
正确答案是:
同类题型
Do you like your maths teacher? —Sure, because he is the teacher ___ helps me a lot.
China ________ food and drinks ________ the people in Philippines(菲律宾) last month .
ingthat is notwhether you fail or not, but whether you try or not.
There’s water all over the kitchen. You’d better _______ right away.