29．__________ when you are on the bus or bike．

Which do you think is _________________important, health or wealth?

And they can ______their passports______，making leaving or “escaping” virtually impossible.

Either he or I ______to the airport.

函数STUFF("计算机水平考试"，7，4，"等级")返回的值是______。

能从“全国计算机等级考试”中取出“等级”2字的函数是______。

中国56个民族总称为____民族；人口最少的民族是____族。

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

通过先后考试来衡量学生在考试群体中学习水平的升降,衡量的指标应采用 ______或 ______。

容易犯错误的人，______认为什么都不懂，______认为什么都懂。

Hurry up, or you ______ catch the train.

HSK考试分为基础汉语水平考试、____汉语水平考试、高级汉语水平考试三种，共分为____级。