The senator _________ on the question for a moment.
A. pondered
B. considered
C. reminded
D. slipped
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Remind me _________ Alan before I go out.
A. phone
B. phoning
C. to phone
D. phoned
She scrubbed_________the floor.
A. up
B. at
C. to
D. for
We tried to contact all former students, but one or two _________through the net.
A. sank
B. missed
C. fell
D. slipped
Complete the following sentences with words behind them. Refer to a dictionary if needed.