1。hour

2. shingle, 屋顶板，strong 强壮的，tall，高的，cheater，骗子，kind，和善的，young，年轻的，funny，滑稽的，可笑的

3。Can I join you? I am your new P. E. teacher. Please call me Jack. Have a cup of green tea.

4. Is he very smart? That woman isn't our principal. How tall is your brother? Who is your English teacher?

5. She's thirty-eight.