—What time do you usually go to school？
—I usually go to school________six o’clock．
A．in
B．at
C．on
—May I take photos in the museum?
—No, you . You obey the rules here.
| A．may not; can | B．mustn’t; may |
| C．can’t; can | D．mustn’t; must |
—who is the man over there ? Is it Mr.Wang ?
—No, it _____be him .Mr.Wang is much fatter.
| A．can’t | B．need |
| C．mustn’t | D．may |
---________ we clean the classroom at once?
---No, you________. You ________clean it after school
| A．Must, needn’t, can | B．Need, mustn’t ,may |
| C．Must, mustn’t, can | D．Shall, can’t , may |
---Listen! Kate is singing in the classroom.
----It_____be Kate. She has gone to the Library.
| A．can | B．can’t | C．must | D．mustn’t |
—Sorry, I just come here. Ask the old woman, she _______ know something about it.
—Thank you all the same.
| A．can | B．must | C．may | D．need |