She ______ left the hospital so soon, for she had not yet recovered.
A: shouldn't have
B: wouldn't have
C: couldn't have
D: mustn't have
A: shouldn't have
B: wouldn't have
C: couldn't have
D: mustn't have
举一反三
- She（）have missed the first bus, or she（）be here so early. A: needn't, shouldn't B: couldn't can't C: shouldn't, mayn't D: mustn't, wouldn't
- Nina______back home if she had known that her husband would go to the bus stop to meet her. A: couldn"t have walked B: shouldn"t have walked C: mustn"t have walked D: wouldn"t have walked
- I didn't see her in the meeting-room this afternoon. She ______ at the meeting. A: mustn't have spoken B: shouldn't have spoken C: needn't have spoken D: couldn't have spoken
- If he had left in time for the last bus, he ______ it. A: shouldn't have missed B: ought not have missed C: mustn't have missed D: couldn't have missed
- I didn’t see her in the meeting room this morning. She _____ at the meeting. A: mustn’t have spoken B: shouldn’t have spoken C: needn’t have spoken D: couldn’t have spoken