I want to visit many ______. (  )

A．a country

B．countyes

C．country

D．countries

Fill the words requested. （单词填空） 
1.________ (机器人) are coming into our lives. 
2.Many people ________ (用) robots to do chores. 
3.Robots can cheer up ________ (病的) kids. 
4.My friend is ________ (受欢迎的). 
5.I can wash clothes ________ (每周一次).

Look at those ___over there.  (   )

A．ducks

B．duck

C．three ducks

I have two _________. (    )

A．foot

B．foots

C．feet

根据句意和首字母提示，填写单词
1. The book is mine. It has my n________ “Tom” on it.
2. At night we can see many Christmas l__________ on our house.
3. Yesterday I helped Jenny p_______ up the Christmas tree.
4. Christmas is in w_________, so we can see snow during the time.
5. People usually sing Christmas s_______ on Christmas Day.