If only I ________ more money, I could buy the new house.A. hadB. haveC. have hadD. had

Much of the pollution could be controlled if only ______.A．people would pay more attention

I needed more money and so I decided to take the ______ by the horns and ask my boss for m

If only I______what you wanted!A．knewB．knowC．had knownD．have known

______ I prefer shopping online because it is more convenient and saves time and money.A．I

Im trying to be more______when I go shopping,and only buying what I really need.A．economyB

Oh,_____ I could speak several languages now!A．only ifB．whether onlyC．if onlyD．only whethe