Which do you think is ________, health or wealth？

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

人工培养基按物理性状分为___、____、___3类培养基。

创建一个标识有“桂林理工大学”字样的标签对象gxdd的语句为 ___________ 。

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.

Either he or I ______to the airport.

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.

牙挺的工作原理是力学中的___________、___________和___________原理。

系统初步调查的目的是为______的形成提供素材。