Beijing, the capital of China, is one of _____ cities in the world.

It may not rain, but you had better take an umbrella__________

_____ what he can do. He might get a jobtomorrow. He might stay out of work for weeks.

The beef is too expensiveI won’t buy it _____

The 4th session of 12th NPC didn’t finish ____________ March 16 this month.