题目内容
I ______ Number 31.
1.-______ you at home last week?-Yes, I ________.2.-______ they away yesterday?-No, they ______.3.-______ Bill ill the day before yesterday?-Yes, he _______.4.-Who ______ on duty last Friday, Lucy or Lily?-Lucy ______.5.-How ______ your last summer vacation?-It ______ great.