Online paper-checking requires that more attention _______.
#89641
A
be paid to spelling
B
to be paid to spelling
C
should pay to spelling
D
and spelling be paid to
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— You ought to have called her yesterday . — Yes , I know I ____ .
#89767
A
ought to
B
ought go have
C
ought have done
D
ought to have called
Teachers recommend parents ______their children under 12 to ride bicycles to school for safety.
#87374
A
not allow
B
do not allow
C
mustn’t allow
D
couldn’t allow
I left very early last night, but I wish I _____ so early.
#89363
A
didn’t leave
B
hadn’t left
C
haven’t left
D
couldn’t leave
________ stop advertising, prices would be greatly reduced.
#89209
A
Were they to
B
Could they
C
If they
D
Would they
If you had joined the chat room ten minutes ago, you _____________what we were talking about.
#87954
A
would know
B
would have known
C
knew
D
had known