—We must stop ________ plastic bags (塑料袋).—You’re right. It’s bad for our environment(环境).
#48420
A
use
B
to use
C
used
D
using
推荐题目
Half of the class done most of the work. The rest rather difficult.
#50810
A
has, is
B
have, are
C
have, is
D
has, are
To make us healthier, the teachers often see us ______ on the playground.
#49764
A
took exercise
B
take exercise
C
take exercising
D
to take exercise
