Some people think clowns are only funny for children. _____________ , they can help people forget their problems, at least for a short moment.
Information has been put forward ____ more middle school graduates will be admitted into universities.
Energy is ____makes thing work..
The manager came over and asked the customer how____
____he does has nothing to do with me.
This is the house _________ the great man Mao Zedong was born 110 years ago.