______ dangerous it is to ride fast on a busy road!
| A．What | B．What a | C．How | D．How a |
The more careful you are, ________mistakes you’ll make.
| A．fewer | B．less | C．the fewer | D．the less |
---________does she study English?
---________ working with a group.
| A．How, By | B．How, In |
| C．How often, For | D．What, At |
— I haven’t got a partner _________.
— Maybe you can ask John for help.
| A．work with | B．to work |
| C．working with | D．to work with |
— My grandpa learns English for two hours every day, _________ he is over70.
— Really? We should learn from him.
| A．because | B．although |
| C．since | D．as |
There are _________ floors in the building and my home is on the _________ floor.
| A．twenty; fifteenth | B．twenty; fifteen |
| C．twentieth; fifteen | D．twentieth; fifteenth |