1I’m amazedto hear from my school teacher again. _______，it is ten years since we met last.

______ to improve thecooperation with other countries

Life____beveryhardforpeoplelivinginthenorthofCanadaasitisverycoldthereinwinter.—Yes,theweatherthere_____beaslowas60℃belowzero.

Are you still a teacher?— No, I____ in Harbin No3 High School for five years[ ]

Oh, you painted the walls yourself? —-Yes. It was not hard. The whole work didn’t ______.