1. She looks exhausted. She        worked all night. (must have / can't have / should have)

2. You        told me! I was worried. (should have / must have / needn't have)

3. You        bought food — we have plenty. (needn't have / should have / must have)

4. He        understood — it's such a simple question. (can't have / must have / shouldn't have)

1. He is        to get the job — he is the best candidate. (bound)

2. You had        leave now or you'll miss the train. (better)

3. I'd        have tea, please. (rather)

4. She is        to attend — she never misses it. (supposed)

1. 

2. 

3. 

4.