【题目】I'm tall. (改为否定句，但意思不变)

【题目】Running is exercise. (改为一般疑问句)

【题目】They are at home.（对画线部分提问）

【题目】I'm _______ the grocery now. ( )

【题目】This is an ________. It's big. ( )

【题目】选出不同类的一项：( )

【题目】He ________ the old people do their housework once a week. ( )

【题目】—________ does your sister do? ( )

【题目】Amy can ________ her bike.( )

【题目】选出不同类的单词：（ ）