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18、Many adults agree that teenagers shouldn’t live alone ________ they have their parents’ permission．

A．if    B．unless    C．in case D．now that

17、After a successful operation，Catherine is beginning to_________ and will 80011 come back to school．

  A．pick up    B．wake up    C．grow up D．show up

16、It was not just the size of the party last night        made it unique ,but        it meant to our company．

A．what；that    B．that；what    C．what；what D．that；that

15、It________ sound like a perfect destination, but it is really adventurous to go there.

A．will    B．must    C．shall        D．may

14、English online, corn is a free site _________visitors can not just learn the English language but also chat online．

    A．where  B．which   C．that    D．what

13、一May I have some more coffee，please?

一I’m sorry，but there  doesn’t  seem to be         

   A．1eft any    B．a(chǎn)ny left   C．leaving any   D．a(chǎn)ny leaving

12、If a computer crashes，you will lose the file you ________on if you don’t save it early enough.

   A．a(chǎn)re working  B．work    C．will work   D．worked

11、The professor in the end decided to give the prize to________ command of English．

   A．who    B．a(chǎn)nyone    C．whoever       D．whomever

10、―Will you be          this afternoon，Samuel?

―It depends．I'm afraid I'll watch NBA．

    A．suitable    B．convenient    C．a(chǎn)ccurate  D．a(chǎn)vailable

9、―Shall I lock the lab before I go home?

―__________I'll cheek it myself  later．

A．Go ahead    B．No problem    C．No hurry  D．Don’t bother