问题

Who cleaned the room–Bob .
A:does
B:did
C:cleaned
D:was;
B:did
C:cleaned
D:was;
正确答案是:
同类题型
I live at school. So I often go home _______Friday afternoon.
ather in Ningbo is rather cold in winter,especially when ____ that in my hometown
Molly, my mother once gave me a special number to call I run into an emergency.
intelligent people can often ______ the complex,a fool is more likely to complicate the simple.