It’s important to brush your _________ twice a day.
A. tooth B. tooths C. teeth
- What’s that?
- It's _______ eraser.
| A．a, | B．an | C．/ | D．the |
I don’t think he tried his best to learn English, ___________？
| A．did he | B．do I |
| C．didn’t he | D．don’t I |
He spends as much time as he can ___________ English every day．
| A．to practise speaking | B．to practise to speak |
| C．practise to speak | D．practising speaking |
Excuse me, is there ___________ in today’s newspaper?
| A．something new | B．new anything |
| C．anything new | D．new something |
Lucy knew nothing about it ___________ her sister told her．
| A．because | B．until | C．if | D．after |