Only when I left my parents for Italy ________ how much I loved them.
| A．I realize | B．I had realized | C．had I realized | D．did I realize |
Having a large family to support, Mr.Johnson had to workin the evening.
| A．four another hours. | B．more four hours. |
| C．other four hours. | D．four extra hours. |
—When did you get to know the professor over there?
—It was at the work shopwe did reserch to gether two years ago.
| A．that | B．there | C．which | D．where |
I have read a series of stories about some world famous great scientists,are from our country.
| A．two of them | B．two of whom | C．both of them | D．both of whom |
I must say, it’s a veryoffer. The pay is higher and the working conditions are much better.
| A．attractive | B．wealthy | C．valuable | D．worth |
I’ll take you to a newly opened marketyou may get allyou need.
| A．which; that | B．where; that | C．in which; which | D．where; that |