24.________fit, we ought to learn more about our body and be careful with what we eat.
—Willyoulendmeyourbook? —Yes,I_____.
_____tohavelunchwithustoday?
Everyone_____dohisbesttomaketheworldsafeandclean.
Heaskedmeifhe_____openthewindow.
Sincetheroadiswetthismorning,_____lastnight.