_____ he works hard, I don’t mind when he finishes the experiment.
| A．As soon as | B．As well as | C．So far as | D．So long as |
--Have you paid? What's my share of the bill?
--. It wasn't very much.
| A． | Don't worry about it. | B． | It's my share |
| C． | None of your business. | D． | It's up to you. |
--Look! Somebody the sofa.
--Well, it wasn’t me. I didn’t do it.
| A．is cleaning | B．was cleaning | C．has cleaned | D．had cleaned |
It suddenly occurred to himhe had left his keys in the office.
| A． | whether | B． | where | C． | which | D． | that |
I'vethe habit of calling in on my grandparents on my way home from school.
| A． | come into | B． | gone into | C． | got into | D． | run into |
My brother would like to buy a good watch butwas available from that shop.
| A．nothing | B．none | C．no one | D．neither |