第二节 语法和词汇知识(共15小题；每小题1分，满分15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，并在答题卡上将该项涂黑。
例：We _________last night, but we went to the concert instead.
A. must have studied B. might study C. should have studied D. would study
答案是C。
6. It’s bad ______ manners to blow your nose at ______ table.
A. 不填; the B. the; a C. 不填; 不填 D. the; 不填
7. —Did ______ of your parents come to see you last week?
— ______ of them came to see me.
A. any; None B. any; Neither C. either; Neither D. either; Any
8. Oh, boy, why are you killing your time in this way? Can’t you find something ______ doing at all?
A. useful B. valuable C. good D. worth
