—— I can’t get through to the general manager’s office anyhow. —— The line is busy. Someone_____the telephone. 
#89932
A
must use
B
uses
C
must have been using
D
must be using
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We _____ for her because she never came.
#90213
A
mustn’t have waited
B
shouldn’t have waited
C
mustn’t wait
D
needn’t wait
—_____ I invite Jack to the party?    —Yes, it’ll be nice if you _____.      
#88078
A
Will;will  
B
Shall;shall
C
Will;do 
D
Shall;do
He desired that he ______ the right to vote.
#87076
A
had
B
have
C
has
D
had had
____ keep it a little longer ? I want it very much . 
#89745
A
Able I to
B
Be able I to
C
Can I
D
Can I able to