If it ______ tomorrow, our picnic _______ to be put off. 
#87486
A
rains;wouldhave
B
shouldrain;wouldhave
C
rains;has
D
wouldrain;wouldhave
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The book I bought from the bookstore isn’t here. Who __________?
#89207
A
could have taken it
B
must have taken it
C
might take it
D
should take it.
—My sister is very upset today. —It’s your fault .You           the bad news to her yesterday.
#87921
A
should tell
B
should have told
C
shouldn’t have told
D
must tell