Whatever is left over may be put into the refrigerator,__________ it will keep for two or three weeks.
—Are you worried about the coming exam?—Only ______.
Word came ______ our school will build a new teaching building next year.
A poet and artist _____ coming to speak to us about Chinese literature and painting tomorrow afternoon.
We must try our best to the river being polluted any more.
____ _ he can pass the driving test is quite uncertain.