I’m going to spend the winter vacation in Shanghai,_______I have relatives.

Several professors from Peking University came to visit our school, to my surprise, one of ________ was my aunt.

Can you come to my birthday party tonight? — I’d love to, but I______ on a patient at 6 o’clock

________ you kept your mobile phone on insuch an important exam It’s against the school regulation

Will you go to Tom’s 18th birthday party?—-If you go, ___________.