问题

My mother often goes shopping _____ Sunday morning.
A:at
B:on
C:in
D:Of;
B:on
C:in
D:Of;
正确答案是:
同类题型
The little boy ___ his hiding place when coughed.
.Soon children in the camp had many new friends, ________ they shared food, stories, and projects.
May I smoke here?— No, you ______ . This is a no-smoking room.A.needn’t
Catherine, I have cleaned the room foryou.—Thanks, you __________it. I could manage itmyself.