—Whose book is this?
—It _____ be Mary’s. Mo Yan is her favorite author.
—No, it ____ be hers, she never brings novels to school.
| A．may; mustn’t | B．can; can’t | C．must; can’t | D．must; mustn’t |
Please be ________ .There’s an important meeting in the next room.
| A．quickly | B．quick | C．quietly | D．quiet |
The girl in purple is new here, so ________ people know her.
| A．few | B．a few | C．little | D．a little |
— I called you yesterday evening, but you were not in .
— Sorry, I ________ in the shop with my mother.
| A．am | B．will be | C．was | D．have been |
Oh, it ________so nice. What beautiful music it is !
| A．smells | B．sounds | C．tastes | D．looks |
I’ll go to visit my aunt in England _____ the summer holidays start..
| A．while | B．since. | C．until | D．as soon as |