You see，I’m poor inmaths，you are not good at English，and…—That’s________we should help each other.

Nobody believed his reason for being absent from class __________ he had to meet his uncle at the airport.

Mr Li often makes us __________in his class, so we all like him.

Everyone _____ make mistakes．So you needn’t care about itthat much．

ned cats and dogs this morning. I’mglad we took an umbrella.—Yeah, we would have got wet all over if we ______.