You ____be tired—you’ve only been working for an hour.
| A．must not | B．won’t | C．can’t | D．may not |
The singer hasn't performed in public for over 5 years. ______, she is very popular with young people.
| A．But | B．still | C．Otherwise | D．Therefore |
He did it___it took me.
| A．one-third a time | B．one-third time |
| C．the one-third time | D．one-third the time |
A modern city has been set up in ____ was a wasteland ten years ago .
| A．what | B．which | C．that | D．where |
In order not to be disturbed, I spent three days_______ up in my study.
| A．locking | B．being locked | C．to look | D．locked |
Being lazy ___ Peter his job.
| A．lost | B．cost | C．took | D．made |