-What would you do if it tomorrow ?
-We have to carry it on , since we've got everything ready .
A．rain B．rains C．will rain D．is raining
They wanted to charge $ 5, 000 for the car , we managed to bring the price down .
A．but B．so C．when D．since
Tom , you leave all your clothes on the floor like this !
A．wouldn't B．mustn't C．needn't D．may not
We haven't enough books for ; some of you will have to share .
A．somebody B．anybody C．everybody D．nobody
I have many friends , some are businessmen .
A．of them B．from which C．who of D．of whom
Mary wrote an article on the team had failed to win the game .
A．why B．what C．who D．that
