John promised his doctor he _____ not smoke and he has never smoked ever since.
#90470
A
might
B
should
C
could
D
would
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--- Jack fell off the ladder yesterday，but he is all right now. ---What a lucky dog! He ________himself badly.
#86414
A
should injure
B
might injure
C
should have injured
D
could have injured
If we had taken such effective measures much earlier, the river ________ so seriously now.
#86813
A
is not polluted
B
would not be polluted
C
had not been polluted
D
would not have been polluted
I would rather you did some reading while you are free, but you ______．
#87626
A
don’t
B
didn’t
C
wouldn’t
D
weren’t
John promised his doctor he ________ not smoke, and he has smoked ever since.
#89109
A
might
B
should
C
could
D
Would.