“____ he have left yesterday?” Yes, he ____
yesterday.” No, he ____ yesterday.”
A: Must; must have left; can’t have left
B: Can; can have
left; can’t have left
C: Can; must have left; can’t have left
D: May; must
have left; shouldn’t have left
yesterday.” No, he ____ yesterday.”
A: Must; must have left; can’t have left
B: Can; can have
left; can’t have left
C: Can; must have left; can’t have left
D: May; must
have left; shouldn’t have left
举一反三
- Since nobody is answering the phone，they____________． A: should have left B: needn"t have left C: must have left D: can have left
- He ( ) the school. His cellphone is still on the desk. A: mustn't have left B: can't leave C: needn't leave D: can't have left
- I can’t find my keys in my purse. I ______ them in my office. A: must leave B: will leave C: must have left D: would have left
- I can’t find my pen. I ________ it in the bedroom. A: must leave B: should leave C: had left D: must have left
- The light in his office has been turned off. He ___________. A: must have left B: must leave C: should have left D: have left