----Where is my watch? I _______ find it.
----Don’t worry. It must be somewhere in your room.
| A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |
The child has to come to school by bike ________ his own.
| A．in | B．by | C．on | D．of |
I don’t like physics ______ it’s too difficult for me.
| A．and | B．so | C．because | D．but |
—_____ do you _____ the book?—It’s very interesting.
| A．What; like | B．What; think of | C．How; think | D．How; think of |
—How long can I keep the books?—_____
| A．Three. | B．Three times. | C．Three days. | D．Very often. |
—_____ is it today?—It’s Tuesday.
| A．What class | B．What time | C．What month | D．What day |