There are some children _____ in the room.
#50736
A
singing
B
sing
C
are singing
D
to sing
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We are not supposed ______ basketball on Sundays.
#49463
A
to play
B
playing
C
with playing
D
played
 I’ll invite you to my new flat as soon as I finish ________ it.  
#48590
A
decorating
B
decorate
C
to decorate
D
decorated
Jack had a wonderful time _____ many interesting places in Beijing and he had        much time __________ the city.
#50019
A
to visit; to enjoy
B
to visit; enjoying
C
visiting; to enjoy
D
visiting; enjoying