Rewrite the sentence in the same meaning:
Viết lại câu sao cho không đổi nghĩa
1) Perhaps Susan know the address. (may)
Susan ========--
2) It's possible that Joanna didn't receive my message. (might)
Joanna ========-..
3) The report must be on my desk tomorrow. (has)
The report ========.
4) I managed to finish all my work. (able)
I ========--...
5) It was not necessary for Nancy to clean the flat. (didn't)
Nancy ========-..
6) The best thing for you to do is to sit down sit down. (better)
You ========--..