—Are these your books?
—_______.
| A．No, they aren’t |
| B．No, they are |
| C．Yes, they’re |
| D．Yes, they aren’t |
My father _________ Beijing on business for three days. He will be back in two days.
| A．have gone to | B．has gone to |
| C．has been to | D．has been in |
Our teacher told us light _________ much faster than sound .
| A．travels | B．traveled | C．had traveled | D．will travel |
—________ have you been in this school?
—For two years.
| A．How often | B．When | C．How soon | D．How long |
Would you mind _________ in class?
| A．no talking | B．not talking | C．no talk | D．not talk |
_______, what’s your hobby?
| A．In the way | B．On the way |
| C．To your way | D．By the way |