______ an accurate map, you might not get lost in the forest.
It’s quite natural that kids like to play with friends _______ their own age.
—I’m sorry. I shouldn’t have been rude to you. —You _______ your temper but that’s all right.
John has tried many ways to solve the physics problems, but _______ works.
When the teacher speaks, we have to keep quiet, ?
Man is born yet everywhere he is chains.