It is essential to know ____you can talk about with different people.

I’m ___ enough to know it is going to ？

I’m ___ enough to know it is going to be ？

It is essential to follow a firm and______political line.A．continualB．constantC．consistent

I know you are planning a trip to Europe this autumn.Do you know_______？ A：how much it w

It is not until you have lost your health _____________ you know its value.A: whenB; u

It is essential that the temperature not be elevated to a point______ the substance formed