—How about joining us in the summer camp?
—I wish I could, ___________ I have to practice for the piano test.
| A．because | B．so | C．but | D．although |
—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 |
—How are you getting on with your new roommate?
—I’m no longer _______ with him. He ______ late with TV on every night.
| A．satisfied; is staying up | B．unhappy; is getting up |
| C．anxious; is making up | D．helpful; is using up |
—Do you know ____________ the population of India was in 1995?
—I have no idea.
A. whatB. thatC. how much
—I have never visited a paper factory.
—__________ .
A. I haven’t nor B. So have I C. Neither have I
__________ Tom __________ Sam may go with you because one of them must stay at home.
A. Both; andB. Either; or C. Not only; but also