When a dog is barking, you assume it is barking for something or at someone that exists hear and now It couldn’t be sorrowful for some lost love or lost bone This indicates the design feature of __________

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

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

31． She couldn’t _________ her words _________by the students．

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

They couldn’t__________him of his mistake．

：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（ ）。

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

He walked____ fast ____ I couldn’t keep up with him. ( )

_____ that we couldn’t catch up with him.

_______ , Edward couldn’t help but resent how insignificant his mother made him feel.