【题目】Give that sharpener to me. (改为同义句)

【题目】There are some art rooms in this building. (改为单数)

【题目】Look. They are________ (sing and dance).

【题目】Please help ________ (they) do some housework.

【题目】—Is this your book?

【题目】He closed the window just now. And now the window is _____________ (close).

【题目】Did you go _____________ (swim) last Sunday?

【题目】Jim always ________ (have) a lot of questions.

【题目】I like _____________ (collect) stamps very much.

【题目】My birthday is on the________ (five) of February.