These ________ are playing cards in the living room. (　　)

A．child

B．childs

C．children

按要求写出下列单词的正确形式。
1. party ( 复数形式 )____________
2. first ( 基数词 )____________
3. are ( 单数 ) ____________
4. mum ( 对应词 ) ____________
5. wolf ( 复数形式 ) ____________

How many enjoy it? (   )

A．boy

B．girl

C．students

People visit their friends and .（  ）

A．relative

B．relatives

C．relate

用所给单词的适当形式填空。
【小题1】Please __________ (not feed) the hens on the farm.
【小题2】__________ (there be) any corn in the pen?
【小题3】What ______ monkeys ______ (like)? They ______ (like) fruit.
【小题4】Look! Eddie __________ (pick) the flowers.
【小题5】—How many ______ (sheep) are there? —There is one ______ (sheep).
【小题6】There ______ (be) some ______ (hay) in the bag.