Unit2 This is my sister课后练习（一）
题一：Mom, _____________my friend, Mike.
A. that are B. these are C. those are D. this is
中译英：
1. 这些是他的照片。
2.这个男孩和女孩是我的表兄妹。
题二：---Are those his friends?
---_____________.
A. Yes, those are B. No, th ey aren’t C. Yes, they aren’t D. No, those aren’t
题三：Tony ____ Mary are Susan’s cousins.
A. and B. or C. but D. with
