1. People _____ have robots in their home.
A. will B. would C. should D. could
2. If you want to talk to your teacher , you should _____ first.
A. called to her B. called up her
C. call her up D. called her up
3. What ____________ at nine o’clock last Sunday morning?
A. was you doing B. were you doing
C. are they doing D. does we do
