Ann often helps me ________ math after school.
We all have two ears and one mouth so we can listen _____we speak.
The movie theater is the best place _____on weekends.
That beautiful lady is one of the _____in the world.
——What do you expect ______ from your hard work?——Nothing, I just want to try my best.
Though Mandela﹙曼德拉﹚____ 27 years in prison﹙监狱﹚, he thought it meaningful.