He recognized me _____ he saw me.
I can guess you were in a hurry. You your sweater inside out.
--Who is the old man talking with your teacher? ---I don’t know. I him before.
--Could you take a message for Mr. Green? ---Certainly. I him about something at any case, so it may other.
---Mr. White didn’t come last night, did he? ---No. We for him. A whole night was wasted. A. had waited B. have been waiting C. were waiting D, had been waiting
---I beg your pardon! ---Oh, you to me carefully. (just now)