Direction:You are required to complet each statement by choosing the best answer from the 4 choices .All passengers ________fell into the river.
A. abroad
B. board
C. aboard
D. broad
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Ten percent of the workers in this city ___________now on strike.
A. is
B. are
C. is to be
D. are to be
You had better _______the water until it has been boiled.
A. not to drink
B. not drink
C. not drunk
D. not drinking
The bomb could be _____ at any time.
A. set about
B. set off
C. set out
D. set on
The play writer and director ________promised to attend our tea party.
A. have
B. has
C. are
D. is
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