1.
2. —Is this
3. —How are
I
am a student. This
is my
schoolbag.2. —Is this
your
bike? —Yes,it is mine
.3. —How are
you
? —I
am fine.答案：1. I，This，my 2. your，mine 3. you，I
(
A.They
B.Them
C.Their
A
)1.These are Ben and Bob. ______ are my good friends.A.They
B.Them
C.Their
答案：A