If he _______ to the teacher attentively in the past year, he _______the answer to the question now.
#86849
A
had listened; would know
B
listened; knew
C
listens; knew
D
has listened ;knows
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I told Sally how to get here, but perhaps I _______ for her.
#89978
A
had to write it out
B
must have written it out
C
should have written it out
D
ought to write it out
To my surprise, my good friend _________ stay up to study to prepare for the next important exams organized by ten famous high schools.
#87867
A
should
B
may
C
must
D
can
She didn't come to the party last Sunday. ________， she must have made the party more exciting.
#86496
A
If she came
B
Would she come
C
Had she come
D
Did she come
We the postcards yesterday, but it didn’t arrive.
#87363
A
should receive
B
ought to receive
C
ought to have received
D
must have received