问题

Has Sam finished his homework today?—I have no ideaHe ________ it this morning
A:did
B:has done
C:was doing
D:had done
B:has done
C:was doing
D:had done
正确答案是:
同类题型
Are these books______一No,they are not mine. They belong to .
I really can’t ______ which sweater to buy.— Maybe I can help you. Youlook smarter in that blue one.
glad to meet Jenny again, Ididn’t want to spend all day with her
What does your friend look like?–She is of medium build, and she has _______hair.