Nuclear radiation is said __________ the biggest health challenge in Japanese Earthquake over the past few months．
| A．being | B．to be | C．to have been | D．that it is |
No one________ be more generous；he has a heart of gold.
| A．could | B．must | C．dare | D．need |
—Why are your eyes so red？You________have slept well last night.
—Yeah，I stayed up late writing a report.
| A．can't | B．mustn't | C．needn't | D．won't |
Harry is feeling uncomfortable.He________too much at the party last night.
| A．could drink | B．should drink |
| C．would have drunk | D．must have drunk |
—You needn't take an umbrella.It isn't going to rain.
—Well, I don't know.It________do.
| A．might | B．need | C．would | D．should |
________ that Marie was able to set up new branches elsewhere.
| A．So successful her business was |
| B．So successful was her business |
| C．So her business was successful |
| D．So was her successful business |