The reason for making a decision is that a problem exists, or something is standing ______the way of accomplishing them.

_____ they are fit I see no reason why they shouldn’t go on playing for another four or five years.

（ ）Some students prefer yellow rulers or erasers when they study for exams because yellow is the color of __________.

：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 reason _____ they died was lack of medical care.

The reason _____ they died was lack of medical care.

Mistakes don’t just happen; they occur for a reason. Find out the reason, and then making the mistake becomes_________ .

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

The reason ______ they died was lack of medical care.

The reason _____ they died was lack of medical care.

After the cameraman had taken three or four photographs of the soldier ants, he found they had ______ all over his feet.