—What do you think of the book?
—Oh，excellent.It’s well worth _________time.
| A．reading a second | B．reading the second |
| C．to read a second | D．to read the second |
Some people who don’t like to talk much are not necessarily shy; they _______just be quiet people.
| A．must |
| B．may |
| C．should |
| D．would |
You _______be hungry already——You had lunch only two hours ago!
| A．wouldn’t |
| B．can’t |
| C．mustn’t |
| D．needn’t |
No one be more generous; he has a heart of gold.（2013天津）
| 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.（2013四川）
| A．can’t |
| B．mustn’t |
| C．needn’t |
| D．won’t |
---I’m sorry. Iat you the other day.
---Forget it. I was a bit out of control myself.
A shouldn’t shout
B shouldn’t have shouted
C. mustn’t shout
D. mustn’t have shouted