Tom
, turn down the music. Why you make such a big noise while your baby sister is sleeping?
| A．must | B．would | C．should | D．may |
【2015·陕西】I believe you will have a wonderful time here ________you get to know everyone else.
| A．though | B．as if | C．once | D．so that |
【2015·四川】There is only one more day to go ______ your favorite music group play live.
| A．since | B．until | C．when | D．before |
【2015·天津】We need to get to the root of the problem______ we can solve it.
| A．while | B．after | C．before | D．as |
【2015·浙江】______ a single world can change the meaning of a sentence, a single sentence can change the meaning of a paragraph.
| A．Just as | B．Even though | C．Until | D．Unless |
【2015·重庆】If you miss this chance, it may be years ____ you get another one.
| A．as | B．before | C．since | D．after |