Haze weather has become common in some major cities in China. We all wonder ________.
| A．how is the air polluted |
| B．what can we do with the bad weather |
| C．why the air is polluted seriously |
| D．what are the real reasons |
Ben is an animal-lover. So far he _________ over 100 homeless dogs.
| A．saves | B．has saved | C．saved | D．will save |
Linda was very sad because her grandmother __________ in hospital last night.
| A．gave away | B．went away |
| C．passed away | D．took away |
——Why did Tan become interested in the sounds of nature?
——__________he thinks the best music comes from nature.
| A．Since | B．As | C．Because | D．For |
——Could you please tell me _____________?
——Yes, she came to teach here just last week.
| A．that she is a new teacher |
| B．when did she come here |
| C．what is wrong with her |
| D．whether she is a new teacher |
Most teenagers love fast food, but bad eating habits __________ fast food.
| A．go out | B．go beyond |
| C．go into | D．go over |