--- How are you feeling here?
--- It’s quite hot. I don’t know _____ to go or stay.
A. how B. when C. whether D. where
You_______ play with the knife. You ______ hurt yourself.
A. mustn’t; may B. mustn’t; must C. shouldn’t; must D. can’t; should
Workers can’t be made ________ for twelve hours a day.
A. work B. to work C. working D. worked
---Did you see who the driver was?
---No, the car ran so fast _____ I couldn’t get a good look at his face.
A. that B. which C. as D. after
--Wow, so many new houses! I can’t believe that. It used to be a poor village.
--- Yes,_________ has changed here.
A. Nothing B. something C. Everything D. Anything
---Is your father a teacher?
---well, he _______.
A. used to B. was used to C. used to be D. is used to be
