Haven’t you seen the speed limit sign? Please drive _____ —Sorry, but I have to [ ]

Every possible meansto prevent the air pollution, but the sky is not still clear

Do you think I shouldapply for the job一Why not If you make aneffort，the _______ are that you’11 be employed．

Don’t . Hope is always around you.— Thanks, Jimmy.

I saw Sam and David in the playground yesterday afternoon. They games with their classmates then.