If our product ____ unsatisfactory within 7 days in any way, you can take it back.
| A．shows | B．proves | C．makes | D．performs |
If we________a table earlier, we couldn't be standing here in a queue.
| A．have booked | B．booked |
| C．book | D．had booked |
The door________open，no matter how hard she pushed.
| A．shouldn't | B．couldn't | C．wouldn't | D．mightn't |
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 |