—Tony，what’s________matter with you?
—I have________toothache．
| A．a；the |
| B．the；a |
| C．／；the |
| D．the；／ |
___of giant pandas is getting ___because their living areas are becoming farmland.
| A．The number, larger and larger |
| B．A number, larger and larger |
| C．The number, smaller and smaller |
| D．A number, smaller and smaller |
My parents told me _____ at the old people, it’s impolite.
| A．to laugh | B．laughing |
| C．laugh | D．not to laugh |
You’d better_____ like that, or the teacher will be angry .
| A．do | B．doing | C．not do | D．not doing |
He looked ___________,but could see ____________.
| A．careful; nothing | B．carefully; nothing |
| C．careful; anything | D．carefully;anything |
I was doing my homework ________ my mother was cooking in the kitchen.
| A．when | B．while | C．if | D．until |