—In the old days, most teenagers had to work for the landlord (地主) in the field to help _____ their families, because their families couldn’t _____ education for them.
—What a pity!

– What else should we pay attention to _______ building the bridge?
--The change of the weather, I think.

When David is in a bad mood, he likes wearing orange to _______.

The child doesn’t need any help. He is old enough to ______ himself.

Not only my friends but also I ________interested in football and Messi is our favourite star.

His latest movie has won high ________from many people.

—It’s necessary and important for them students at school to join the Clean Plate Campaign. It’s good for them to form good habits.
—Sure. We should try to _______ all the food that we’ve ordered.

My best friend Alex failed in the maths competition. I’d like to _________.

We all know that learning a foreign language ______ time and effort.

He devoted as much time as he could _________ English.