1． It was essential that _______________(我们在月底前签订合同)．
　　2． _______________(家庭人口多好还是人口少好)is a very popular topic，which is often talked about not only by city residents but by farmers as well．
　　3． We must _____________(用一切可能的办法来帮助他们)．
　　4． We ________________(尽情地吃了一顿)at the new restaurant last Friday．
　　5． To most of the travelers，________________(衣、食、住、行)are all important elements．

　　答案

　　1． We sign the contract by the end of the month
 

　　2． Whether a large family is good or not

　　3． help them in every way possible
　　4． ate to our hearts’ content
　　5． food，clothing，shelter，and transportation