Questions 28 to 30 are based on the following news. At the end of the news item, you will be given 15 seconds to answer the questions.
How many countries is lack of health workers

A．Her viewpoint on playing games is very different from the traditional ones.
B．She believes games can create collaborative, optimistic and diligent people.
C．She thinks problems in real world can be solved as a game.
D．She claims that playing games stimulate our interest.

A．bankers could be depended on.
B．housing prices would always remain stable.
C．vitamins bring benefits to people.
D．myth about vitamins is no longer believabl