To _________ nature is to help ourselves , or we will be punished.                      
#63335
A
protect
B
prevent
C
provide
D
pollute
推荐题目
 James is an English boy. He _____ from England.
#58084
A
come
B
isn’t
C
comes
D
aren’t
—We must act now because time is _____. —Yes. Let’s start.
#60460
A
coming out
B
giving out
C
cutting out
D
running out
Alan      his father and both of them are friendly.
#54086
A
looks after
B
takes after
C
feels like
D
is after