问题
I wonder if you could go with me to the supermarket.—Sorry. I _______ my experiment report all the morningand haven’t finished yet.
A:one
B:was writing
C:have written
D:have beenwriting
B:was writing
C:have written
D:have beenwriting
正确答案是：
同类题型
The people in the disaster areas are ready to accept _______ help they can get.
You ____ very happy today. Why—Because we are going to spend the evening at Lily’s house.
Shean old friend of hers yesterday while she was shopping att the department store.
Please_______ the bananas and let’s make a fruit salad together.—Sure.