.By serving others, a person focuses on someone other than himself or herself,_____can be very eye---opening and rewarding.
| A．who | B．which | C．what | D．that |
—The concert was wonderful!
—Really? How I wish I ______to the theatre with you yesterday!
| A．had gone | B．might go | C．were able to go | D．would go |
—I didn’t know you were good friends .
—You_____.I have known her since she moved here. You were studying abroad then.
| A．may have | B．needn’t have | C．couldn’t have | D．must have |
— Mum, it’s none of my business. Why _____ I care?
— Just because she is your sister.
| A．can | B．should | C．will | D．may |
Why didn't you tell me there was no meeting today? I _____ all the way here _____the heavy snow.
| A．needn't have driven；through | B．can't have driven；across |
| C．mustn't have driven；through | D．shouldn't have driven；cross |
Michael______be a policeman, for he’s much too short.
| A．needn’t | B．can’t | C．should | D．may |