—I’m sure Andrew will win the first prize in the final. —I think so. He _________ for it for months.
#104593
A
is preparing
B
was preparing
C
had been preparing
D
has been preparing
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   A computer cannot remember who_____; it simply does what _________.
#103663
A
will use it; it is told
B
uses it; it has told
C
used it; it is told
D
has used it; it told
-Why can’t I smoke here? --At no time__________ in the dormitory.
#102579
A
is smoking permitted
B
smoking is permitted
C
smoking is allowed
D
does smoking permit