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The young mother kept ______ the house with three children in it , because she wanted to keep it ______.
#48871
A
cleaning; clean
B
cleaning; cleaning
C
clean; clean
D
clean; cleaning
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 It’s impossible for us ________there on foot in two hours.
#48677
A
getting
B
get
C
to get
D
got
——Oh, I had a terrible toothache.——You’d better    see a dentist and have your bad teeth     out.
#49488
A
to go; pulled
B
go to ; pulling
C
to go; pulling
D
go to; pulled
——Dad, why should I stop _____ computer games?——For your health, my boy.
#48895
A
to play
B
playing
C
play
D
played
You can’t put off ______ your homework．You must do it now．
#50525
A
to do
B
do
C
to doing
D
doing
I think it’s important ______ healthy.               
#50995
A
keep
B
keeping
C
keeps
D
to keep