---I feel the house shaking.----So do I .It ___ be sign of an earthquake most probably. Let’s hurry to leave here.
#90314
A
ought to
B
could
C
can
D
might
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We ________ jump to conclusions before we have all the facts.
#86585
A
couldn't
B
mightn't
C
shouldn't
D
mustn't
 ——Has Jane arrived yet?         ——No, she_______ an hour ago.
#88347
A
was supposed to come
B
must have come
C
should come
D
ought to have come
He is an hour late by now.He         last night.
#87873
A
must stay up
B
should stay up
C
should have stayed up
D
must have stayed up