____ he works hard, I don’t mind when he finishes the experiment.
| A．As soon as | B．Even though |
| C．So long as | D．So far as |
An earthquake of 9 magnitude struck off the coast of Japan on Friday, ________ thousands of people dead and more missing.
| A．caused | B．causing | C．having caused | D．to cause |
______ leaves the room last ought to make sure that the windows are closed and the door locked.
| A．Whoever | B．Who | C．Who will | D．Those who |
I __________the poor rabbit, but I didn’t have the right drugs with me at that moment.
| A．could save | B．had saved | C．could have saved | D．saved |
Great changes have taken place in that school. It is no longer ______ it was 20 years ago, _____ it was so poorly equipped.
| A．what; when | B．that; which | C．what; which | D．which; that |
With the development of science, more new technologyto the field of IT.
| A．has introduced | B．is being introduced |
| C．is introduced | D．was introduced |