Never _______ protecting our earth. It is the only nice planet for us to live on.
#53246
A
leave for
B
learn about
C
give up
D
look up
推荐题目
There _______ a number of volunteers in the club and the number of them _______ growing larger and larger.
#60629
A
is; are
B
are; is
C
have; is
D
have; are
I can’t sing ________ dance. Would you please teach me _________first ?
#61733
A
and, to dance
B
or, dancing
C
or, to dance
D
and, dancing
Mike will go abroad tomorrow. I am going to _____ at the airport.
#52941
A
sent him off
B
saw him off
C
see off
D
see him off