问题
Why didn’t you go to play football with us yesterday afternoon? —I _____my mother with the housework then.
A:helped
B:was helping
C:had helped
D:have been helping
B:was helping
C:had helped
D:have been helping
正确答案是：
同类题型
He always looks ________. Now he is looking ________at his new drawing.
he explained , we understood .
The boy looks nice _______ white and the red sweater looks good _______ the girl. [ ]
When did the 2008 Olympics Games start?—_____August 8, 2008. [ ]
I like this pair of trousers a lot. Can I ________? －Yes, of course,