根据所给中文意思完成句子，每空限填一词。我经常帮助妈妈收拾房间。
I often help my mum to _____________ _____________ the room2010年以来，这个地区发生了很大的变化。
Great changes have ___________ ___________ in this area since 2010.他们正在建一条隧道，它将穿过这座山。
They are building a tunnel, and it will ____________ ___________ the mountain.他现在不在办公室。
He isn’t in the office __________ __________.我想下个星期顺便看望一下吉尔。
I think I’ll __________ __________ on Jill next week.
He lives on the floor，two floors above me．（八）
I see no light and hear no sound the wind that far away．（除…之外）
Changes of price in the 1990s the beginning of the fast development age of TV（标志）
Good chances always hide around us，waiting for careful people to find them．（某处）
Mr．Li is to us how to organize our ideas according to the type of writing （解释）