单项选择题
In our highly technological society, the number of jobs for unskilled worker is （）
A．shrinking B．obscuring C．altering D．constraining
单项选择题 A budget of five dollars a day is totally （）for a trip round Europe.
单项选择题 When he tried to make a（）he found that the hotel that he wanted was completely filled because of a convention.
单项选择题 John said that he didn't quite（）and asked me to repeat what I had said.
