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_____ the environment is important for human beings.
#50494
A
Take care of
B
Taking care of
C
Took care of
D
Take the care of
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It’s time for class. So stop ________, please.
#49374
A
to talk
B
talking
C
talk
D
talked
Our school put off _______ the sports meeting because of the bad weather.
#48766
A
holding
B
hold
C
to hold
D
held
 I really don’t know____________.
#50551
A
how to do
B
what to do
C
what should I do
D
how I should do
The doctor did what he could __________ the dying man.
#50094
A
save
B
to save
C
saved
D
saving
All of us felt ______ when we saw the girl speak very good English.
#50838
A
surprise
B
surprised
C
surprising
D
in surprise