—We must stop ________ plastic bags (塑料袋).
—You’re right. It’s bad for our environment(环境).
A.use | B.to use |
C.used | D.using |
—We must stop ________ plastic bags (塑料袋).
—You’re right. It’s bad for our environment(环境).
A.use | B.to use |
C.used | D.using |