Disney research center creates _____ unusual robot which can draw pictures on the beach. _____ robot is 60 cm long and 40cm high.
---It will be my turn. I feel a bit nervous.---________. You can make it.
The population of China is _________ than that of Australia.
You don't know __________________________.
—He hardly spent any time on his subjects, _________?—_________, so he does badly in his lessons.
________ people have been to the famous ________ mountain.