I think you need some outdoor exercise. Plenty of fresh air will ___ good health.
–That would mean ____ a lot of time. --Really? I don’t mean ____ any time.
____ the TV play, he got down to ____ his homework.
—Will you go skiing with me this winter vacation? --- It __________________.
I lost my way. I wonder ________ I can turn in the dark.
—Do you mind if I keep pets in the building?--- _________________.