______ are you from— I’m from Shanghai.

Will you go to the World Expo in Shanghai by bullet train after theExamination—_______ I may go by air.

It is quite an informal gathering; you needn’t____ for it. [ ]

____ it snowed heavily yesterday, nobodyin our class missed the lesson． A．Though

Tom’s been sent to the USA for further study. What about his twin sister?— _____.How lucky they are!