---_______is your Maths teacher? ---I don’t know. He looks very young.
| A．How many | B．How much |
| C．How old | D．How long |
There used toa clean river in front of my house, but now everything has changed.
| A．be | B．being |
| C．have | D．having |
---Who is running on the sports field?
---Itbe David, He is ill at home.
| A．can't | B．mustn't |
| C．must | D．shouldn't |
Look at the name on the book and it must belong to_________ .
| A．be Li Jingyu’s | B．Yao Kai |
| C．his | D．mine |
---TomLily is coming.
---Yeah, l am so happy they are free tomorrow.
| A．both; and | B．not only; but also |
| C．either; or | D．neither; nor |
Grandma Li is a “ Baba Dancer”, so she loves the music she _________in the square(广场).
| A．can dance to | B．could dance along |
| C．can dance with | D．may dance in |