this is ------- -------- (pen).There are -------- (pen).填空
this is ------- -------- (pen).There are -------- (pen).填空
This is a pen.(this)are pencily
this is( )my pen.it's( )pen.( )里填空
This pen is yours.Here you are.
this is pen 对吗
Is this your pen?
This pen is beautiful?
This pen is yours
this is our pen----------------
用“be” (am is are)填空 1.the pen ____ orange 2,this _____leller
用所给单词的正确形式填空 1.are( )mike?this is( )pen.(you )
There is a pen in my pen.