A lot of research and studies have shown that Trench oil, taken out from kitchen waste,______ the increase of cancers.
| A．appeals to | B．attends to | C．contributes to | D．devotes to |
“How does he makeliving”?
Asmatter of fact, He is a policeman.
| A． a，a | B． a, the | C． the, a | D． the, the |
------I haven’t done well in the English oral exam, have I?
------, at least you tried.
| A． All right | B． Never mind | C． I agree | D． No way |
_____ you didn’t know the rules shouldn’t be an excuse for your failure to report.
| A．That | B．What | C．Because | D．How |
— Did a letter come for me this morning?
— Yes. _____ came for you.
| A．That | B．It | C．One | D．The letter |
Nothing could be done at the meeting, the chairman_____ absent.
| A．being | B．was | C．to be | D．be |