We____ playing., am not, isn’t, aren’t, He ____ driving a car., am not, isn’t, aren’t, I ____ reading., am not, isn’t, aren’t, We ____ swimming., am not, isn’t, aren’t, She ____ making a sandcastle., am not, isn’t, aren’t, They ____ watching TV., am not, isn’t, aren’t, Grandpa ____ reading a book., am not, isn’t, aren’t, Children ____ painting a picture., am not, isn’t, aren’t, I ___ playing the piano., am not, isn’t, aren’t, Grandma ____ watching TV., am not, isn’t, aren’t

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更像是这样

am - is - are / am not - isn't - aren't
am - is - are / am not - isn't - aren't
由
完成句子
am not, isn't, aren't
am not, isn't, aren't
由
匹配游戏
is am are / isn't aren't am not
is am are / isn't aren't am not
由
随堂测验
AS 1 Unit 4 is am are / isn't aren't am not
AS 1 Unit 4 is am are / isn't aren't am not
由
随堂测验
am-am not / is-isn't / are - aren't
am-am not / is-isn't / are - aren't
由
闪存卡
am/ 'm not/is/ isn't/ are/ aren't
am/ 'm not/is/ isn't/ are/ aren't
由
随堂测验
is/ isn't, are/aren't, am/'m not
is/ isn't, are/aren't, am/'m not
由
随堂测验
am is are / am not isn't aren't
am is are / am not isn't aren't
由
随堂测验

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