一、单选题(本大题共10小题,共10.0分)
1. Though natural resources, the area was well developed.( )
A. lacking for B. lacking C. lacked in D. lacked of
2. His idea was in advance the time.( )
A. for B. ahead C. of D. before
3. I have a(n) to make to you--I opened your letter by mistake.( )
A. apology B. disadvantage C. fault D. shortcoming
4. When asked about their opinion about the schoolmaster,many teachers would prefer to see him step aside younger men.( )
A. in terms of B. in need of C. in favor of D. in praise of
5. As it turned out to be a small house party,we ____ so formally.( )
A. should have dressed up B. can't have dressed up
C. must have dressed up D. needn't have dressed up