—Tom, you are smoking again?
—______? It’s none of your business.
| A．So what | B．How come | C．Why not | D．What for |
The ground has been cleared and houses for those homeless people now.
| A．build | B．have built | C．are built | D．are being built |
serious the economic situation is, they still have confidence in overcoming all the difficulties.
| A．Whatever | B．Although | C．Even though | D．However |
The teacher that his students had difficulty in English grammar, decided to give them more examples.
| A．knows | B．to know | C．knowing | D．being known |
Over the past decades, sea ice is decreasing in the Arctic global warming.
| A．as a result of | B．on top of | C．in front of | D．in need of |
Never in my dreams Zhao Benshan’s performance during the CCTV Spring Festival Gala was considered the best.
| A．I could imagine | B．could I imagine | C．I couldn’t imagine | D．couldn’t I imagine |