______ it or not ,his discovery has created a stir in scientific circles

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

We can’t judge a person by his or her _______

"It would have been bad manners to make his guests feel foolish or uncomfortable" "Bad manners " means ________

If the product does absorb moisture or ________ water, discard it

_______________will not continue if an ongoing operation is changed or deletedA、

：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 or not , his discovery has created a stir in scientific circles.

Believe it or not, when first (introduce) ____ to Europe, tomato was thought to be poisonous.

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

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