(2013·浙江，8)Eye doctors recommend that a child's first eye exam ________ at the age of six months old.
#86621
A
was
B
be
C
were
D
is
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— Did you go to the lecture by the visiting professor?— No. I ______ it, but I've been busy taking care of my grandma in hospital these days.
#86511
A
would have attended
B
should attend
C
must have attended
D
would attend
. Mr. Green requires that the students ______ cheat in any exam.
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A
should
B
don’t
C
wouldn’t
D
not
— Is Jay coming by bus?— He should, but he ____ not. He likes cycling along.
#88133
A
must
B
can
C
need
D
may
--- 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