These are my books . Theirs       at home .
A. is       B. are     C. has

What can you see       the picture ?
A. at      B. of      C. in

That’s a horse . It       a tiger .
A. not      B. isn’t     C. are

This       cow is big .
A. a     B. an     C. /

—Is that       interesting story ? —Yes , it is .
A. the     B. a      C. an