He kept on _______ the mountains all by _______ for three days.
| A．to climb; myself | B．to climb; himself |
| C．climbing; myself | D．climbing; himself |
___________ should not be allowed to go out at night.
| A．Twelve-years -old | B．Twelve-year-olds |
| C．Twelve years old | D．Twelve year olds |
—_________ work in Microsoft? —Yes, I did.
| A．Did you used to | B．Did you use to | C．Do you used to | D．Was you use to |
—_____do you learn English so well?
— _____ asking the teacher for help.
| A．What; By | B．How; With | C．How; By | D．What; With |
—What should I buy for Tom’s birthday?
— How about ______camera? He loves taking photos.
| A．a | B．an | C．the | D．/ |
----Hi, Jenny! I hear you and John are going to London for the holiday.
----Really? _________
| A．What’s it about? | B．What’s happening? |
| C．That’s news to me | D．It’s a pity. |