When she was walking in the street, she met a friend of _______.

The new smart robot by Sony, with a camera “eye” on its head, can __________ colors and human faces.

Could you tell me __________? — Certainly. In half an hour.

__________ it going?— Great!

Do you know Tsering Danzhou, a Tibetan ten-year-old boy in Yushu? —Yes. Hethe people his great help as a translator after the earthquake.