II. Rewrite the sentence in the same meaning16. Perhaps Susan know the address. (may)Susan17. The report must be on my desk tomorrow. (has)The report 18. Smoking is not allowed in the museum. (musn’t)
You 19.It isn’t necessary to bring an umbrella. The weather is beautiful. (needn’t)
 We …………………………………………………………………20. It would be better to go to the airport two hours before the flight. (should)
 You ……………………………………………………….