The little baby has two _______ already.
A. tooth
B. tooths
C. teeth
D. teeths
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---It's dangerous here. We'd better go out quickly.
A. woman and children
B. women and child
C. woman and child
D. women and children
Are they going to have a party on _______ ?
A. Children's Day
B. Childrens's Day
Childrens Day
D. Children Day
His father went to his doctor for _______about his trouble.
A. an advice
B. some advice
C. advices
D. the advices
Swimming is ______in summer.
A. a great fun
B. great fun
C. great funs
D. great a fun
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