---What do you think of the twin sisters?
---They are quite different. One is outgoing, __________ is very serious.
| A．another | B．the other |
| C．the others | D．Others |
— How was your interview with the boss?
— ________. He seemed interested in my experience, but he didn’t ask for my recommendation letter.
| A．Perfect | B．I’m not sure | C．That’s right | D．Couldn’t be better |
Our headmaster isn’t in his office. I can’t find him anywhere. Did you notice him ______ the office?
| A．to enter | B．enter | C．to leave | D．leave |
You had better ________ some time every day for sports so that you can keep yourself energetic.
| A．spend | B．take | C．spare | D．give |
The radio says that a terrible traffic accident happened sometime ________ 8 a.m. ________ 10 a.m. this morning.
| A．between; and | B．from; to | C．between; to | D．from; and |
He made a mistake, but then he took action to change the situation ________ it got worse.
| A．until | B．when | C．before | D．because |