—Is the ________ class PE?
—Yes, ________ is.

A．third; it

B．three; it

C．four; it

读一读，选出不同类的单词。
（_______） 1. A. chicken B. tree C. fish
（_______） 2. A. May B. Sunday    C. June
（_______） 3. A. Monday B. July C. Tuesday
（_______） 4. A. six B. seventh    C. eighth
（_______） 5. A. sixty B. rain C. cloud
（_______） 6. A. March B. January C. seventh

写出相应的形式。
1. 3rd__________________2.first________________________
3. 12th__________________4.nineteenth__________________
5.9th___________________6. twenty-eighth_______________
7.29th___________________    8. second____________________
9.5th__________________10. 20th______________________

March is the ______ month of a year. (   )

A．three

B．third

C．the third

The ________ day he ________ to the Palace Museum.(  )

A．one; went

B．first; go

C．first; went