Who’s he? My _____. A. sister B. brother C. Miss Yang
This cow is big . A. a B. an C. /
—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
Ais 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