--What’s your problem? ---I have trouble these sentences in English. A.say B.to say C.saying
I bought two teddy bears. One is for my sister, ________ is for my friend Tom.
Let me _________ it.
I’m thirsty. I want to buy something _________.
Hurry up, _______ you can’t catch the first train.
Every day we should keep our classroom _________ .