The WTO can't live up to its name _________it doesn't include acountry that is home to one fifth of mankind.
| A．as long as | B．while |
| C．if | D．even though |
An completely new district of industry has appeared in ________ used to be wasteland.
| A．which | B．that | C．what | D．where |
So sudden an attack ________ that the enemy could hardly have any time to fly for their lives.
| A．we made | B．we had made | C．did we made | D．had we made |
The young parents _________ too much a pet of their son, which is bound to destroy him in the end.
| A．have made | B．are making | C．made | D．will be making |
I think you are at the end of your ________ this time and need to turn to Pro. Smith for advice.
| A．resources | B．careers | C．features | D．issues |
_________ there are certainly times when giving up trying is the right thing to do, in most cases all needed is commitment and communication.
| A．Unless | B．Before | C．Although | D．Since |