--- 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
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If he ______ it, he _______ it.
#88200
A
had seen; could have believed
B
saw; couldn’t believe
C
saw; couldn’t have believed
D
has seen; had believed
You ______ tell Margaret --- I don’t want her to know about this matter .
#87995
A
can’t
B
mustn’t
C
needn’t
D
shouldn’t