---- How long will it be ______ we know the result of the English examination?
----- Perhaps in two or three days．
| A．since | B．before | C．until | D．that |
Tom, you ________ leave all your clothes on the floor like this next time.
| A．mustn’t | B． wouldn’t | C．needn’t | D．may not |
Although they are twin sisters, they have nothing__________.
| A．in relief | B．in peace | C．in common | D．in cash |
He is wearing sunglasses to ____ his eyes from the strong sunlight .
| A．prevent | B．protect | C．stop | D．hold |
I have bought two ball pens, _____ writes well.
| A．none of them | B．neither of them | C．none of which | D．neither of which |
I bought a dress for only 10 dollars in a sale; it was a real ______.
A. exchange B. business C bargain D. reward