Evidence obtained from observation and experiment is often used to _____ a scientific theory.
| A．confirm | B．confine | C．conform | D．conceive |
It is assumed that the rumours on the Internet can easily______ a person's reputation.
| A．destroyed |
| B．hurt |
| C．damaged |
| D．ruined |
Every exercise ______ on a different grammar point. You should go over the main points of the grammar rules related before you work each of them out.
| A．focuses |
| B．puts |
| C．depends |
| D．counts |
The teacher______have thought Johnson was worth it or she wouldn't have wasted time on him,l suppose.
| A．should |
| B．can |
| C．would |
| D．must |
Before the writer gave her first performance,her______very fast.
| A．beat |
| B．jumped |
| C．defeated |
| D．struck |
---This book by Tony Garrison is of great use for our course.
---But I think his latest one is______ worth reading.
| A．better |
| B．more |
| C．most |
| D．very |