按要求写单词。
1. twelve (序数词)__________   2. month（复数形式）_________ 
3. year（同音词）__________   4. activity（复数形式）_________
5. those（反义词）__________

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______________________

Thursday is the f____ day of a week.

Look at _______ picture.

A．five

B．the five

C．fifth

D．the fifth

看图, 写序数词。