One or two days ____quite enough to complete the work. ___ you or he going to work with me?
| A．is; Is | B．is; Are | C．are; Is | D．are; Are |
we should exploit the Antarctic’s natural resources is open to discussion.
| A．What | B．Whether | C．If | D．That |
World Wide Web was invented in 1991 byEnglish scientist ,Tim Burners-lee.
| A．\; an | B．The; an | C．The; the | D．A; the |
What shall we use for power when all the oil in the world has ____ ?
A. given out B. put out C. held up D used up
-----Could you do me a favor and take these books to my office?
-----Yes, _____.
| A．for pleasure | B．I could | C．my pleasure | D．with pleasure |
-----Have you been to New Zealand?
-----No, I’d like to, _____.
| A．too | B．though | C．yet | D．either |