小写字母占三格的是下面哪一个字母？
A.f B.h C.k
—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
The pig three piglets . We call pigs .
A. have , they B. has , their C. has , them
They are a pet shop .
A. on B. in C. under
A baby pig called a piglet .
A. is B. are C. am