He told us that he was tired and thirsty because he ________ in the desert for days.
| A．walked | B．has walked |
| C．had walked | D．would walk |
Rick has learned a lot about Chinese culture he came to China.
| A．before | B．when |
| C．until | D．since |
He takes notes by key words.
| A．writing down | B．write down |
| C．write with | D．wrote with |
Do you think hard to speak English like a native speaker?
| A．that | B．it |
| C．this | D．itself |
Pay attention what I will do carefully..
| A．watching | B．to watch |
| C．to watching | D．of watching |
Can you connect what you learnt your life?
| A．in | B．for | C．with | D．About |