Please do me a favor —______ my friend Mr. Smith to Youth Theater at 7:30 tonight.
| A．to invite | B．inviting | C．invite | D．invited |
Most American children go to state schools, but the private schools __________ be very good.
| A．must | B．can |
| C．should | D．ought to |
Since nobody gave him any help, he __________ have done the research on his own.
| A．can | B．must |
| C．would | 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 |
I am going to Europe on vacation together with John if I __________ find the money.
| A．can | B．might |
| C．would | D．need |
Around two o'clock every night, Sue will start talking in her dream. It somewhat __________ us.
| A．bothers | B．had bothered |
| C．would bother | D．bothered |