He is a warm-hearted man and he’s never _____ a person who’s in trouble.
Walking and running are the oldest and newest, excellent _________ exercise for all ages and fitness levels.
—Do you think we can get there on time? —Yes,_______ the truck doesn’t break down.
The children were playing games on the playground, ________ school uniforms.
It is written clearly in the requirements that all passengers ______ check onto board 30 minutes before the plane takes off.
—I failed again. I wish I _________ harder. —But you _________.