--Why don't you try your best to get on the bus?—I tried to , but I could, it started moving.
| A．until | B．when | C．before | D．after |
Success in life doesn’t happen_____. It’s the result of devoting yourself to what you’ve set out to do.
| A．by design | B．by nature | C．by chance | D．on purpose |
Our school has strict rules. Almost no one can ________ using cell-phones in class .
| A．get away from | B．get away with | C．get out of | D．get down to |
My boss hates interruptions, when he is trying to work.
| A．occasionally | B．generally | C．specially | D．especially |
You can only be sure of _____ you have at present; you cannot be sure of something _____ you might get in the future.
| A．that; what | B．what; 不填 | C．which; that | D．what; which |
I was just talking to Margot when Jackson____.
| A．cut in | B．cut down | C．cut off | D．cut up |