People should __________ from __________ down the trees to protect the earth.
#44463
A
be stopped, to cut
B
stop, to cut
C
be stopped, cutting
D
stop, cutting
推荐题目
Teenagers              allowed to drive in the street .
#44899
A
should not be
B
should be not
C
not should be
D
shouldn’t
It is true that knowledge_____ rather than being taught. 
#44980
A
learns
B
learned
C
is learned
D
was learned
She was seen ____ the theatre at that moment.
#44861
A
go into
B
to go into
C
went into
D
going into
Chinese ______by the largest number of people in the world now.
#44672
A
is spoken
B
is speaking
C
speaks
D
spoke