一用括号内be动词的正确形式填空1.She(be)mysister
I(be)yourfriend
These(are)mybrothers4They(be)brothers
-(be)youHelen
–No,I(be)not6
Those_____oranges7
How_______she
Mymother(be)verygood
9Who(be)she
Who(be)they
BobandMary(be)friends
She_____(be)agirl
Hername_______(be)Mary
Myparents_______(Be)inChina
14These(be)mybrothers
Bob(be)mybrother
You____(be)mysister
17Who(be)you
Helen(be)anicegirl
I(am)astudent
You(be)myfriend
二.把下列词语变成复数
heshe4
mapit5
orange6
family7
ruler9
ruler10
friend二、把单数句变成复数句1
Itisanorange
Sheismyfriend
Thisismysister
Thatisaruler
Thisisakey
Heismybrother
Itisakey
Heismybrother
Thisisacup
Heismybrother
三.把复数句变成单数句1
Thosearemaps
Theyaremybrothers
Thesearerulers
Thosearepens
四.对划线部分提问