—What do you feel ______ you are looking through the old pictures?
—How time flies!
句意：——你翻看这些旧照片时有什么感觉？——时间过得真快啊！
考查连词辨析。because因为；though尽管；while当……时候；unless除非。根据答句“How time flies!”感慨时间过得快，可推出是问看旧照片时的感觉，用while引导时间状语从句。故选C。
Which club do you prefer to join，the chess club________the dancing club？
Love from parents is like the wind-you can’t see it you can feel it.
My parents gave red packets to my cousin every Spring Festival________ she got a job, because she said she was able to make money.
They didn’t go home ________ they finished their work.
—What do you feel ______ you are looking through the old pictures?
—How time flies!
We will make fewer mistakes _______ we are careful enough.
— Which do you prefer, tea or coffee?
— Either. ________ tea ________ coffee are my favorite.
Work hard, _________ you will get good grades.
—Excuse me. Where is the nearest hotel?
—Just go down this road ________ you see a library. It’s across from it.
President Xi encourages all Chinese people to plant trees______ our country can be greener and more beautiful.
