问题

Cheer up! Everyone may have periods in their lives everything seems tough [ ]
A: which
B: where
C:when
D: that
B: where
C:when
D: that
正确答案是:
同类题型
What the doctor really doubt is________my mother will recover from the serious disease soon[ ]
I invited him ________ my hometown last week.
Parents like to buy toys to keep their little babies________[ ]
can’t go to the park with you because I have a meeting to .
There is _________ in today’s newspaper , we’re all _________ in it.