---Hi, Tom. Do you have any idea where Jane is? ---She _________ in the classroom. I saw her there writing her composition just now. 
#88463
A
shall be
B
could be
C
must be
D
might be
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—Where have you been?—I         in the heavy traffic. Otherwise I         here earlier.
#87449
A
got stuck; would have come
B
got stuck; was
C
have got stuck; would have come
D
Had got stuck; would come
 There was something wrong with the network, or the e-mail____ earlier.
#86903
A
could have been sent
B
might be sent
C
need have been sent
D
must be sent
We ________ jump to conclusions before we have all the facts.
#86585
A
couldn't
B
mightn't
C
shouldn't
D
mustn't