I know that half of ____ I spend _____ is wasted.
| A．that; to advertising | B．what; to advertise |
| C．what; on advertising | D．what ; on advertise |
They ________have arrived at lunchtime but their flight was delayed.
| A．will | B．can |
| C．must | D．should |
—Happy birthday!
—Thank you! It's the best present I________ for.
| A．should have wished | B．must have wished |
| C．may have wished | D．could have wished |
We ________ have bought so much food now that Suzie won't be with us for dinner.
| A．may not | B．needn't |
| C．can't | D．mustn't |
—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 |