【题目】Welcome _____________________________(来自不同国家的舞蹈家们).

【题目】Mr. Green ____________(teach) ____________(we) Maths last term.

【题目】The children ____________(visit) Beijing this summer holiday.

【题目】Why not ____________(start) ____________(sing) a song?

【题目】Would you please ____(look) after the old man?

【题目】Do you often clean your ____________(parent) bedroom at weekends?

【题目】____________(protect) the Earth, we should not drive so much.

【题目】Lily, ____________(not talk) in class.

【题目】When's the party going to b____________?

【题目】Mike didn't go to bed early last night. He is s____________ now.