Question 70
TensesChoose the expression or word which best completes the sentence: He has only ordered some lettuce and tea. He________ on a diet. He is a bit too fat.
- A.can't be
- B.needn't be
- C.must be
- D.mustn't be
- E.shouldn't be
Show the answer and explanation
Answer: C (must be)
Explanation
Ordering only lettuce and tea is evidence, so the speaker deduces 'he must be on a diet'.