—Come in, please. Make yourself at home.—I'm glad you like it. A. Thanks. You have a nice place here. B. Oh, this picture is so beautiful!C. Thanks. What nice food you've prepared!D OK. Let me look around your new house.
It was the A/N1H1 epidemic ____ spread almost throughout the country ____ promoted the research and production of the flu vaccine.
The traffic in Shanghai will be blocked and people will come to blows _____ the government plans in advance.
— Where’s your assignment? — ____
The customers objected ____ unfairly in the course of shopping.
A major issue was put forward by some representatives at the conference ____ the teachers in the remote areas were underpaid.