－What do you think of the pollution?
－______ it’s serious, everyone can do something to save the world.
A. Unless B. Although C. However D. Because
－Food safety is a big problem now.
－______, the government has taken some steps to solve it.
A. Luckily B. Hardly C. Easily D. Sadly
－Chinese Football Team beat the team from Korea on March 22nd.
－They ______ really hard. There is no success without effort.
A. studied B. enjoyed C. compared D. practised
－We should wait in line in the dining hall.
－Yes, ______ of the students should keep the rule in mind.
A. both B. either C. all D. neither
It’s a Chinese ______ to eat zongzi on Dragon Boat Festival.
A. method B. tradition C. festival D. food
－I still remember ______ experience when we worked as volunteers for G20.
－Me too.
A. a B. an C. the D. /
