With a lot of difficult problems _______, the newly-elected president is having a hard time.
A. settled
B. setting
C. to settle
D. being settled
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In some parts of London, missing a bus means _______ for another hour.
A. waiting
B. to wait
C. wait
D. to be waiting
The Space Shuttle Columbia broke into pieces over Texas as it returned to the earth on February 1, 2003, _____ (kill) all seven astronauts aboard.
There are lots of places of interest _____(need; repair) in our city.
His letter, _____(address) to the wrong number, reached me late.