With masses of homework _____, I can hardly spare time to practice playing the piano.
#96494
A
done
B
to do
C
doing
D
being done
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Before going abroad he devoted all he could _______ his oral English.
#97453
A
improve
B
to improve
C
improving
D
to improving
Tom pretended________it, but in fact, he knew it very well.
#91930
A
not listen to
B
not to hear about
C
not to have heard about
D
to be not listening to
I can’t go out with these clothes_____ 
#94805
A
wash
B
washing
C
to wash
D
washed