—Where did you put your schoolbag ?
—I can't remember. I attended a concert yesterday so it still l be in the music hall.
| A．can't | B．need | C．might | D．must |
I have kept the book _______ the morning of May 1.
| A．on | B．in | C．since | D．of |
________it was ________so many elephants marching along the street.
| A．How great fun; to see |
| B．What a great fun; seeing |
| C．What great fun; to see |
| D．How great a fun; to see. |
—I’m going on a trip to Beijing after the exam.
—Really? _________!
| A．Have a nice time | B．Congratulations | C．You’re welcome | D．It’s nice of you |
I want to watch the news on TV. ________, please.
| A．Turn on it | B．Turn it on | C．Turn off it | D．Turn it off |
The girl is often heard _______ in the next room.
| A．sing | B．to sing | C．singing | D．sings |