They have arrived at lunch time but the flight was delayed.
| A．may | B．ought to |
| C．can | D．must |
Faced with trouble or difficulty，a person takes help that is available．
| A．whatever | B．whenever | C．wherever | D．however |
_____ for more than three months, but he did his best to catch up with his classmates.
| A．Being ill | B．Having been ill | C．Though he was ill | D．He was ill |
the world economy is in difficulty, we can see, the people of China are full of hope．
| A．As；不填 | B．Because；which | C．Though；as | D．With；不填 |
I go to the stadium when there’s a game．But usually I watch it on TV．
| A．typically | B．anxiously | C．frequently | D．occasionally |
Mr. and Mrs Scott prefer a trip in a small town to in so large a city as New York.
| A．this | B．one | C．it | D．that |