Ⅰ.语境填词
1．The ________ (平均的) age of the boys in this class is fifteen.
2．Computers are now in ______________ (普遍的) use.
3．I think a cold drink can ________ (使恢复) you after your long hot journey.
4．Such ________ (随便的) dress would not be correct for a formal occasion.
5．There is a growing ________ (趋势) for people to work at home instead of in offices.
