--Must we stay here waiting for you? --No, you ______. A.needn't B.can't C.shouldn't
_______ Alice and Bob? They are my classmates.
——Is this Helen's blue hat? ——No. It is _________ hat. _________ is yellow.
The teacher’s name is John Brown . His students call him ________.
Thank you_________ your notebook.
His ____name is Mike, and his ____name is Smith.