It was several years ________ I realized ________ David had lied to me.
Small businesses are finding it hard to survive in the present economic______.
第二部分词汇知识运用(共两节,满分40分)第一节单项选择(共10小题;每小题1分,满分10分)从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。You’re driving too fast. Have you noticed that there is a speed_______of 40 miles per hour along this road?A.range B.border C.enquiry D.limit
The official said rescuers were working_____to find the missing miners in the coal mine blast.
You may as well go outing all by yourself; _______I may keep you company.
Politeness is a(n) _______phenomenon among all the social groups, but it is marked by different cultures.