— It _______ be Jack who is in the office.
— No, it _______ be him. I saw him off at the airport half an hour ago.
| A．can’t ; can’t | B．must; can’t |
| C．must; mustn’t | D．may; mustn’t |
"Life is like walking in the snow", Granny used to say, "because every step”
| A．has shown | B．is showing |
| C．shows | D．showed |
Sarah looked atfinished painting withsatisfaction.
| A． | 不填；a | B． | a; the | C． | the; 不填 | D． | the; a |
---Which one of these do you want?
---.Either will do.
| A． | I don't mind | B． | I'm sure |
| C． | No problem | D． | Go ahead |
We promiseattends the party a chance to have a photo taken with the movie star.
| A． | who | B． | whom | C． | whoever | D． | whomever |
Pressed from his parents, and ______that he has wasted too much time , the boy is determined to stop playing video games.
| A．realizing | B．realized | C． to realize | D．being realized |