—Kathy and her sister are so alike.—I can’t tell one from ____.
___________ we can have clean drinking water lies in ___________ effective measures will be taken by the government about water pollution.
There are many new central leaders in China now, ________ many once worked in the western provinces.
Both students and parents appreciate the great importance schools have ______to eyesight protection.
--- Cathy, why does your roommate look angry?--- I’m also feeling puzzled. Maybe I ______ a nerve while asking about her former boyfriend.
It is obvious ______ the local government can do to protect the environment for the next generations.