There are floors in the building and Mr. Wang lives on the floor.
The young man used to _____to work, but he is used to ______to work now.
---Please turn off the light. ---OK, Mom. I won’t leave the room ______ the light _____.
--- He went to see the man who was in hospital yesterday. --- ____________.
_he tried many times, he still couldn’t move the heavy box.
My father wants to give up_, but it’s hard for him to_.