Many boys enjoy _______ football, basketball or baseball

Which do you think is ________, health or wealth？

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

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

Which do you think is _________________important, health or wealth?

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

打开网页时，我们将网络的域名地址输入到IE的________。

Either he or I ______to the airport.

用IE浏览器浏览网页，在地址栏中输入网址时，通常可以省略的是________。

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

Hurry up, or you ______ catch the train.

使用IE浏览器浏览网页时，将网页中的图片保存下来的常用方法是______。