—How many students passed the math test?
— ________, for it was too much for them.
| A．Nobody | B．A few | C．None | D．No one |
We must keep our room clean，for dirt and disease go________，you know.
| A．hand in hand | B．step by step |
| C．from time to time | D．one after another |
Hosting the 31st Olympics is________great honor and the Brazilians are working hard to make the games________success.
| A．a；/ | B．/；a |
| C．a；a | D．/；/ |
Usually，the organizing committee should have a________meeting every two weeks.
| A．common | B．regular |
| C．similar | D．normal |
The doctor advised her to eat more bean products________meat which might be harmful to her heart.
| A．for lack of | B．by means of |
| C．in place of | D．in favour of |
When he was there，he________go to that coffee shop at the street corner after work every day.
| A．would | B．should |
| C．had better | D．might |