Mr. Smith is quite generous and warm-hearted, a person______ you can turn when having trouble.
| A．for whom | B．with whom | C．to whom | D．of whom |
----Did you hear about the hero who rescued the child from the burning building?
----Yes. What do you think most people ______ if they were in a similar situation?
A. will do B will have done. C. would do D. would have done
What is concerning us greatly is ____ the workers held up in that area yesterday will be set free.
| A．that | B．what | C．when | D．which |
Even if there is no scientific proof secondhand smoke causes cancer, there is no reason why nonsmokers should be forced to take this risk.
| A．which | B．that | C．when | D．where |
Great inventors don’t ________ graduate from famous universities. Some didn’t even go to university.
| A．likely | B．necessarily | C．really | D．particularly |
Being constantly exposed to advertisements is annoying, but it ______ be pleasant sometimes.
| A．shall | B．need | C．can | D．must |