How much one enjoys himself travelling depends largely on ______ he goes with, whether his friends or relatives．
| A．what | B．who | C．how | D．Why |
---- Mr. Smith is said to have retired and he is living in the country now.
---- Yes. He ________ in our factory for 35 years! What a good worker!
| A．had been working | B．had worked | C．worked | D．have worked |
----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 |