—Must I show you how to play the game?—Oh,thank you.I______how to do it.
#104363
A
had wondered
B
would wonder
C
was wondering
D
did wonder
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We should spend the money on something that will ________ everyone.
#100879
A
benefit to
B
benefit from
C
benefit
D
beneficial
Tom       in the library every night over the last three months.
#102657
A
works
B
worked
C
have been working
D
had been working