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

– Is it as good as you have thought？ －－ _____________.A、Good.B、No good.C、Not good.D、Not

None of you _______ to stay until the game is over, if you do not want to.A. mustB. ne

Not until my tea became cool______time to drink it.A．that I hadB．had I hadC．did I haveD．th

It is an illusion that youth is happy, an illusion of those who have lost it; but the youn

Learn from Your Failures Have you ever failed？ If not, it is_____（31）that you have never t

It is wise to remember that you do not have to buy anything from any salesperson. You ough