I __ a doctor., is, am, are, He ___ happy! He's sad., is, am, are, isn't, am not, aren't, We ____ happy., is, am, are, She ____ in the park., is, am, are, She __ my sister., is, am, are, They_____ my parents, is, am, are, she __ a doctor., is, am, are, Alex and I ______ best friends., is, am, are, They __ singers. They're doctors., is, am, are, aren't, am not, isn't, Jen ____ ten years old., am, is, are.

be

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

)
恢复自动保存：？