【2014年山东省临沂市中考】When you are swimming, ________ your ears. You can use earplugs (耳塞) to stop water getting into your ears.
It’s important for him_____ English well.
I have two books. One is for you, ________ is for her.
Mr. Li is kind _________ us. But sometimes he is kind _______ serious.
Please help me _____ English.
It’s 8 o’clock. The students _________ an English class.