John, look at the time. ___________ you play the piano at such a late hour?
#90544
A
Must
B
Can
C
May
D
Need
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It is difficult, so I suggest that you       __ it to an expert.
#87494
A
should leave
B
will leave
C
are leaving
D
may leave
We        the opportunity to go to France, had it not been for Mary’s help.
#87597
A
would have lost
B
should lose
C
might lose
D
must have lost
. I supported him in time , otherwise he ______ off the bike .
#89506
A
might fall
B
would fall
C
should have fallen
D
would have fallen