John promised his doctor he _____ not smoke and he has never smoked ever since.
#90470
A
might
B
should
C
could
D
would
推荐题目
Our teacher demanded that all of us ______ English every day.
#86729
A
should practise to speak
B
would practise speaking
C
could practise speaking
D
practise speaking
But for your help,I ________ the place.
#87108
A
can’t find    
B
can’t have found
C
couldn’t have found
D
haven’t found
When a pencil is partly in a glass of water, it looks as if ____. 
#89905
A
breaks
B
has broken
C
were broken
D
had been broken
—Why aren’t they here yet?—They           the bus.
#88998
A
can have missed
B
must be late for
C
may have missed
D
might be late for