We must do everything we can _________ our earth clearer and safer.
#49701
A
made
B
to making
C
make
D
to make
推荐题目
The teachers often tell their pupils _____ across the road when the traffic light is red.
#48725
A
don’t go
B
not go
C
not to go
D
didn’t go
Don’t forget to lock the door if you are the last person _________.
#49763
A
leave
B
to leave
C
leaving
D
left
The best colour my cousin is yellow, so she looks .
#50253
A
represents ; energetic
B
to represent ; energetic
C
represents ; energy
D
to represent ; energy
At present, more and more people prefer _________ in the countryside because there is _____ pollution in the city.
#50628
A
living, more
B
to live, less
C
living, less
D
to live, more