The boy looks pale and thin. He _____ ill.
| A．can be | B．has to be | C．must be | D．should be |
The boy the teachers considered _____ was caught ______ in the exam, which surprised us very much.
| A．to be the best, cheating | B．as the best student, to cheat |
| C．being the best, cheating | D．as a good student, to cheat |
Tom ought not to ________ me your secret, but he meant no harm.
| A．have told | B．tell | C．be telling | D．having told |
— You haven’t lost the ticket, have you?
— _________. I know it’s not easy to get another one at the moment.
| A．Yes, I’m afraid not | B．Yes, I haven’t | C．I hope so | D．I hope not |
Eating too much fat can _______ heart disease and cause high blood pressure.
| A．result from | B．contribute to | C．attend to | D．devote to |
--- Tom, why didn’t you come to the meeting yesterday?
--- I _____, but my car broke down.
| A．would | B．had | C．was going to | D．did |