— What does the sign over there say?— No person ______ enter the area without the official permission.

----The task is challenging and demanding. Who do you think can make it?---- ___________my partner have a try? I think she is the right person to do it.

 --- You didn’t tell your parents the date of our graduation ceremony, did you? --- No, but I ____. My sister had told them.

---I think _________________ in the morning is a good way to improve your spoken English. ---I agree with you.

Tom ____ be ill, for I saw him playing basketball an hour ago.