When it______ air pollution, Beijing faces the three “C” s-----cars，coal and construction，which lead to Beijing's thick air pollution.
| A．refers to | B．comes to | C．happens to | D．speaks to |
I don’t suppose he is ______ to come to our help when we get into trouble.
| A．maybe | B．possible | C．likely | D．probable |
“Thanks” is a(n) _______ commonly used to express one’s gratitude to someone for something he has done for you.
| A．word | B．idiom | C．expression | D．phrase |
---- I’ll repeat the address: Number 10. Saks 5th Avenue. Can you catch my idea?
---- __________.
| A．Got it | B．Liked it | C．Made it | D．Repeated it |
---- I followed your advice on how to learn English, but I am still poor in it. Why?
---- Well, ___________.
Film has a much shorter history, especially when __________ such art forms as music and painting.
| A．having compared to | B．comparing with | C．compare with | D．compared with |