The experiment has_________ the possibility of the existence of any life on that planet, but it does not mean there is no life on other planets.
| A．found out | B．pointed out | C．ruled out | D．carried out |
--- Are you going to buy the leaflet?
--- Yes. It tells us how to avoid _______ ill while travelling.
A.getting B. to get C. being got D got
Samuel Clemens, _______ as Mark Twain, was one of the most famous American writer.
| A．to know | B．to be known | C．known | D．Knowing |
The teacher ___ have thought Johnson was worth it or she wouldn’t have wasted time on him.
| A．should | B．can | C．would | D．Must |
Most smokers say they _______ smoking to some degree but health experts suggest that they should give it up ______ their health.
| A．benefit; for the benefit of | B．benefit from; with the benefit of |
| C．benefit; in the benefit of | D．benefit from; for the benefit of |
Next week’s film festival should be a real _______ for cinema-goers.
| A．flash | B．sight | C．feast | D．Scene |