17— Which one do you prefer, the window seat or the aisle seat? —____________ ( )

The question ________ he should confess it or not troubled him greatly ( )

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

According to the western culture, if one is given a compliment, he or she should say“______”.

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

As the newcomer did not follow the instructions properly, he __________failure.

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（ ）。

The machine he originated and perfected has no modern _____ or ancient prototype.

Virginius would feel more or less guilty when he______.

Hurry up, or you ______ catch the train.