一What’s this in English? — ______ a pen .
| A．This’s | B．This is | C．Its | D．It’s |
You don't know the way. Why ______ the policeman for help?
| A．don't ask | B．no ask | C．not ask | D．not to ask |
The Wangs will have _______ holiday in America.
| A．three weeks | B．three week | C．three-week | D．a three-week |
We’re looking forward to_____ the famous science museum tomorrow.
| A．build | B．visit | C．building | D．visiting |
---Mum, could you buy me a dress like this?
---Certainly, we can buy ______ one than this, but ______ this.
| A．a better; better than | B．a worse; as good as |
| C．a cheaper; as good as | D．a more important; good as |
We all _______thanks to our dear mother on Mother’s Day.
| A．tell | B．say | C．talk | D．speak |