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The doctor did what he could __________ the dying man.
#50094
A
save
B
to save
C
saved
D
saving
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It is a good time _______.
#49260
A
sing.
B
to sing.
C
singing.
D
sang.
The children are _____ when they hear the _____news.
#50200
A
exciting, exciting
B
exciting, excited
C
excited, exciting
D
excited, excited
 When I walked past his house, I heard him _______.
#50226
A
to sing
B
sang
C
sings
D
singing
We must do everything we can _________ our earth clearer and safer.
#49701
A
made
B
to making
C
make
D
to make
 What should I do, doctor? ________ healthy , you should take more exercise.
#48682
A
Keep
B
Keeping
C
To keep
D
Kept