The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job?—_______ my students have a try?

Do you often shop online— Yes. I have spent over 10 thousand yuan on Taobao and Suning .

on her way , Jenny finally managed to get tothe station in time.

The street is too bad，isn’t it?—_______,_______it’s a bit too crowded.

bit longer, please. It’s been such____pleasure having you here.—-Thank you, but I’ve got____early start tomorrow morning.