If Phillip didn't leave his office before six, he ______ back home yet.
A: can't be
B: needn't be
C: won't be
D: must not be
A: can't be
B: needn't be
C: won't be
D: must not be
举一反三
- If Phillip didn't leave his office before six, he ______ back home yet. A: can't be B: B. needn't be C: C. won't be D: must not be
- It must be Terry that came. It __________ be Terry. He is now in London. A: mustn't B: can't C: won't D: needn't
- 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
- They needn't leave home for shopping in the future, ______ they? A: need B: can C: must D: may
- He must have attended the meeting yesterday, ______ he A: didn't B: mustn't C: needn't D: hadn't