---Have you heard of Earth Day? --- Yes, We have only one Earth. We have no choice but ________ it.
#49067
A
protect
B
protected
C
protecting
D
to protect
推荐题目
—What do you think about the idea?—I am really against _________ a running race in the street.
#48956
A
to have
B
having
C
to having
D
have
--- We can use QQ to communicate with each other online. --- Good. Will you please show me _______?
#50029
A
which to use
B
what to use
C
where to use it
D
how to use it
If you have difficulty something，wearing red it easier for you to take action．
#49897
A
do；makes
B
doing；making
C
with；make
D
doing；makes
— My father spends lots of time ________ with my grandmother on weekends.— Really? He is a good son.
#50980
A
saying
B
listening
C
chatting
D
singing