Everyone has periods in theirlives________everything seems very hard.

Talk to anyone in the city ______ you will find that the life of the victims in Yushu is the primary concern to the people now

Drunk driving, which was once a(n) ________ happening, is now under control.

What some Chinese parents understand is that nothing is fun _______ their children are fond of it

May I surf the Internet now —No,______ you have finished doing thedishes.