The light in his room is off．He ________ to sleep．


  1. A.
    may have gone
  2. B.
    can have gone
  3. C.
    could have gone
  4. D.
    must have gone
D
表示肯定的推測要用must have done sth．，只用于肯定句中；may have done意為“有可能做了某事”；can have done表示推測時，只用于疑問句和否定句中；could have done意為“有能力做某事卻沒做”。
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5.                A．fill             B．stop           C．make D．end

 

6.                A．over           B．a(chǎn)gain           C．once D．a(chǎn)lready

 

7.                A．locked         B．fixed           C．opened   D．closed

 

8.                A．felt            B．thought         C．fell  D．woke

 

9.                A．went           B．a(chǎn)fforded        C．came D．a(chǎn)greed

 

10.               A．loudly          B．hardly          C．widely D．silently

 

11.               A．a(chǎn)rms           B．legs           C．hands D．eyes

 

12.               A．pleased        B．helpful         C．excited    D．a(chǎn)ngry

 

13.               A．moved         B．seen           C．heard D．touched

 

14.               A．explain         B．complain       C．a(chǎn)pologize  D．wonder

 

15.               A．want           B．mean          C．a(chǎn)ppear    D．prefer

 

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18.               A．decision        B．interest        C．right  D．truth

 

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