John does important research _______ the best ways to help the old.
#48571
A
finds
B
finds
C
found
D
to find out
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---- Dad , why should I stop ____ computer games ?----- For your health , my boy , I’m afraid you _______ .
#49342
A
to play; must
B
playing; have to
C
to play ; can
D
playing ; may
The baby stopped and began .
#50542
A
to cry, laughing
B
to cry, laughed
C
crying, to laugh
D
cried, to laugh
-What are you busy doing, Sandy?- I’m making some flash cards _________ me remember English words.
#48974
A
help
B
to help
C
helping
D
helped
In the kindergarten, there are various toys for the children .
#48719
A
to choose form
B
from choose
C
to choice in
D
from choices