Unit 2This is my sister,第三课时Grammar Focus,一、用括号内所给单词的适当形式填空。 1 (this) are my brothers. 2Are those your _(parent)? 3What are _(it)? 4These are her _(friend). 5She and I _(be) in China,These,parents,they,friends,are,二、单项选择。 ( )6.This _ my sister and those _ my parents. Ais; is Bis; are Care; is Dare; are ( )7.Look! These _ are on the bed. Akey Bmap Cjackets Dorange ( )8._ is that man in the black shirt? He is my teacher Mr. Wang. AWhere BWho C