问题

Must I clean the classroom now,Miss Wang–No, you needn’t . It byBill.

A: iscleaning
B: should be clean
C:was cleaned
D: has been cleaned

正确答案是：

同类题型

The medicine bought at a high price turned out to haveno _____.

Would you like to go to the movies with us-Sure,we___________

The managers discussed the plan that they would like to see _____ the next year[ ]

Excuse me . Could you tell me _________

一Sorry，Ibroke your wineglmention it．