如果你想问他们经常做什么，你可以问：
A. What do they often do? B. What are they doing? C. What can they do?
This is a picture a big family . They’re happy .
A. at B. on C. of
The geese are swimming the pond .
A. over B. in C. for
—Can I play football my father ? —Yes , can .
A. and , you B. with , I C. with , you
—Baby cats are kittens . I right ? —Yes .
A. called , Are B. call , Is C. called , Am
The puppies the dog’s children .
A. is B. are C. am