-A ruler is 2 dollars and a pen is 5 dollars. How much are they?
-They are
| A．$22 | B．$3 | C．$7 | D．$5 |
I will stay with you the doctor comes to help you.
| A．after | B．if | C．unless | D．until |
Nowadays of business letters are written in English.？
| A．two-third | B．two-thirds | C．two-three | D．two-threes |
—Hey, Paul! Don’t you remember me?
—_________. You are Peter. We once were classmates.
| A．Yes, I do. | B．No, I don’t. | C．Yes, I don’t. | D．No, I do |
—Do you have the new iPad?
—Sorry, they have been______. You may come next week.
| A．given out | B．run out | C．come out | D．sold out |
—We will go to the Wushan Square this afternoon, why not take a bus?
—We ________ take a bus , it’s only one kilometer or more.
| A．can’t | B．needn’t | C．mustn’t | D．may not |