A driver should __ the road when .
| A．concentrate on; drive | B．concentrate in; driving |
| C．concentrate to; drove | D．concentrate on; driving |
---Who broke the window?---_____.
| A．I found | B．I did | C．I find | D．I do |
I don't enjoy these trousers.Would you please show me ____?
| A．some others | B．another one | C．the other | D．other one |
Does ___ matter if he can’t finish the job in time ?
| A．this | B．that | C．it | D．he |
There is __ in what you say.
| A．anything | B．something else | C．anything else | D．something |
____ do you think is the cleverest student in our grade.
| A．Whom | B．What | C．Who | D．Which |