Do you know man in blue? —Yes, he is a professor of Jiangsu University.

It’s ten years since he _________ his hometown.

I `d like to go walking with you, ____________ I have so much homework to finish today. —That’s all right .Let’s go out for a walk ____________day

What do you call this in English?—It’s a stamp. It is used ______ sending. [ ]

is the weather like in Beijing now?– It’s ____________.