---How long did it _____ you to work out the difficult maths problems?
---I ______ about half an hour on it .
| A．take ; took | B．spend ; took |
| C．spend ; cost | D．take ; spent |
It’s very bright in the room. You’d better _________ the lights.
| A．get off | B．put off |
| C．turn off | D．take off |
—Another cup of coffee?
—No, thanks. I ________ be off. My friend is waiting for me at the school gate.
| A．can | B．may | C．must | D．might |
—Mike, it is the ________ time in ______ days that you’ve made the same mistake.
—Sorry, sir. I’ll be more careful next time.
| A．two; three | B．second; three |
| C．two; third | D．second; third |
The restaurant is very popular in the city because it has ___________delicious food __________ good service.
| A．either; or | B．neither; no |
| C．not only; but also | D．not; but |
Last night, the wind blew so _____________ that some roofs were blown away.
| A．strongly | B．heavily |
| C．clearly | D．loudly |