The United States is composed of fifty states,______ are separated from the others by land or water

Travellers, when ____________ the checks, have to sign the checks in the presence of the bank or service clerks

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

__________ the interference from the local residents，the delegation would have caught the train bound for Edinburgh．

Data items are added or deleted from the list only at the top of the______．

I don't think the audience would care _________the film is financed or distributed.

Either he or I ______to the airport.

：不管外界对大学英语四、六级考试有怎样的非议，每年的四、六级考试还是_________地进行着，不少高校的学位证书仍然与大学英语四、六级考试挂钩着，大学英语四、六级考试成绩依然神气着……当大学英语四、六级考试_________成只为一纸证书考试时，大学英语四、六级考试就已经变得_________了。 填入画横线部分最恰当的一项是（ ）。

不管外界对大学英语四、六级考试有怎样的非议，每年的四、六级考试还是________地进行着，不少高校的学位证书仍然与大学英语四、六级考试挂钩着，大学英语四、六级考试成绩依然神气着……当大学英语四、六级考试________成只为一纸证书考试时，大学英语四、六级考试就已经变得________了。填入划横线部分最恰当的一项是（ ）。

It will be a relief over the death of a friend or a relative if the friend or relative dies from ______.

Hurry up, or you ______ catch the train.

It is the ability to do the job ______ matters not where you graduate from or what you are.