—Jane ,can you play_______ erhu .This is ______ useful book on erhu .A. the , a B. / ; a C. the ; an
----- _________is that man? ------ He’s my uncle.
------What’s the weather like in summer in Hangzhou? -------It’s __________.
He is a doctor. He works in a _______.
-----Is this a photo of ___________family? -----Yes, it is.
------How ______is your father? ------He is 40.