4I dont know____he will join us or not

51________ my opinion, he did the right thing

“I don’t have much money。”he’d say．“I need to _________my schoolloans．”

It wasn’t an accident．He did it on__________．

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（ ）。

Virginius would feel more or less guilty when he______.

Virginius would feel more or less guilty when he _____.

Don’t ______ that rope, or you might fall.

It is generally considered unwise to give a child___( )_____ he or she wants.

In my opinion this is a(an) ________ different matter.

表达式(8+3＞36.OR..T..AND.“A”-“B”$“ABC”)的运算顺序是______。