31. At that time I still felt ______ my feet were cold and _______ my hands ached terribly.
I can hardly imagine ______ little children can work out the problem in _____ short a time.
---Would you please help me carry the suitcase? ---____________.
---How about New Year evening party? ---I should say it was big success.
—We are planning to have a casual get-together this Saturday or Sunday. Are you coming?—______. I’ve got rather a busy day this weekend.
Tell me ________ how it came about that you were 20 minutes late for class. You needn’t go into details.