--Why are your eyes so red? You ________ well last night.
--Yes, I stayed up late writing a report.
| A．mustn’t have slept | B．can’t have slept |
| C．couldn’t sleep | D．might not sleep |
Do you have any idea________is actually going on in the classroom?
| A．that |
| B．what |
| C．as |
| D．which |
You have not yet answered the question________I can join the party tonight.
| A．whether |
| B．if |
| C．which |
| D．that |
Tom felt that he knew everybody's business better than they know it________.
| A．themselves |
| B．oneself |
| C．itself |
| D．himself |
As we know, many________countries, like India and Sweden, can have some expressions not much the same as standard English.
| A．Englishspoken |
| B．Englishspeaking |
| C．speakingEnglish |
| D．spokenEnglish |
At the back of our house stands________.
| A．a tree of 30 metres tall |
| B．a 30metretall tree |
| C．a tall tree 30metre |
| D．a 30 metres' tall tree |