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Your son has kept _________ for two hours. You’d better ask him to have a rest.
#51156
A
study
B
studied
C
to study
D
studying
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Mother told her son ______play too much.
#49810
A
to not
B
not to
C
don’t to
D
to do
-- Shirley, what were you doing at three o’clock yesterday? -- I was sitting by the window, __________ to the music.
#50092
A
listen
B
listening
C
listened
D
to listen
Let’s ____ for a walk, shall we?
#49227
A
to go
B
going
C
go
D
gone
 It’s good for health to sleep with the windows _______ in hot summer.
#49873
A
close
B
opened
C
closing
D
open
–Would you mind my ________ here? --Sorry, I’m afraid you can’t. Lily is here.
#51330
A
sit
B
sitting
C
to sit
D
to sitting