—How many computers _____ in your classroom? —There are two. A.are there B.are you have C.does you have
—Is that interesting story ? —Yes , it is . A. the B. a C. an
We call it a pen English . A. to B. at C. in
A is a calf’s mother . A. horse B. cow C. cat
this a horse ? Yes , it .A. Is , isn’t B. It , is C. Is , is
We call a bird . A. it B. its C. it’s