( ) Children’s Day is a happy holiday _____ all children.
A. of B. for C. to
如果你想了解别人最喜欢吃什么，你可以问：
A. What do you like? B. What’s your favourite food? C. Do you like this?
What is Wu Yifan donging ? He’s
A.taking pictuersB.take pictuersC.taking a pictures
The _____ day of a week is Wednesday.
A.firstB.secondC.third
Do you see _____ elephants?
A.someB.any C.one
Can the pandas ______?
A.swimming B.swimC.are swimming