你想向别人介绍你的朋友John,应该说________A、Hello! I’m John .B、This is John .
It is hot dog. A.a B. an C./
nice! A.What B. How C. How a
This is eraser. A.Billys B. Billy C.Billy’s
Look my lovely cats. A.at B. in C. on
a short tree. A.This B. That C. That’s