The thief was noticed _____the office building by the back door on the screen.
#51161
A
enter
B
enter into
C
to enter
D
to enter into
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Timmy is worrying about       enough time       the work.
#50396
A
not to have; doing
B
not having; doing
C
not to have; to do
D
not having; to do
You'd better_______ there.
#49027
A
not drive
B
don't drive
C
not to drive
D
don't to drive