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in Chinese of Japan of American's from Canada
was preparing have been prepared have prepared have been preparing
Have I? Pardon? Congratulations! Good idea!
I’m sorry That’s all right Never mind Thank You
have you done had you done have you been doing did you do
can’t be can’t have been may not be may not have been
What′s your trouble Have you taken your temperature Are you better now How long have you been like this
B.C.D四个选项中，选出可以填入空白处的最佳选项。 --Where have you been recently? ---I_____in Hangzhou on business for a week last month. A. have been was had been had gone
have been in have been to have gone to have arrived in
that you are you are when you arrived that you have been
have you done had you done have you been doing did you do
have been are had been Were
would have been can have been must be should have been
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