You need to brush your after .
| A．tooth eat | B．teeth eating |
| C．tooth eating | D．teeth eat |
Don’t the bus until it stops. It’s dangerous.
| A．get up | B．get to | C．get off | D．get in |
He often practices English chatting with his pen pal in Australia.
| A．by | B．in | C．with | D．for |
---do you surf the Internet?
--- Once a week.
| A．How often | B．How long | C．How soon | D．How many |
He hardly ever feels tired, ______?
| A．is he | B．isn’t he | C．does he | D．doesn’t he |
Could you please give me______ on how to improve my English?
| A．a piece of advice |
| B．some piece of advice |
| C．some advice |
| D．an advice |