He ______ his last chance of winning the election when he said the wrong thing on TV.
| A．gave off | B．gave away | C．give in | D．gave out |
It is the fourth time that Jenny ____ you in a week.
| A．rings | B．has rung |
| C．has been ringing | D．is ringing |
I don’t know _____,
| A．how can I finish my homework on time |
| B．how could I finish my homework on time |
| C．I can how finish my homework on time |
| D．how I can finish my homework on time |
The old pianist requested that he ____ the piano in the public again.
| A．play | B．played |
| C．would play | D．was going to play |
It is not who is right but what is rightis of importance.
| A．which | B．it |
| C．that | D．this |
You must watch carefully everything _____ the teacher does in class.
| A．where | B． who |
| C．what | D．that |