交际用语
补全对话
（T=Teacher，M=Mary，J=Jim，B=Bruce）
T：Hi，boys and girls！ ______can you do？Mary，can you sing？
M：No，I_______．But I can________the violin．
T：Oh，_______can play the violin！ ________！ What can you do，Jim？
J：I can sing and play________guitar．
T：OK！You and Mary can________to join our music club．Who can play the________？
J：I________Bruce can play the piano．
B：No，I can’t．_____I can sing and dance．