147 — How long have you _____ friends— Five years I made friends with himwhen we studied together in Beijing Institute of Technology

She was a shy girl and she never expected ________a great change in her life.

In Copenhagen,the UN climate conference grew more tense and divisive asthe developing countries didn’t trust the promises made by the industrial countries to_____ greenhouse gas emission (排放) . [ ]

put away your clothes hanging outside As youknow, dark clouds______ heavy rain

By the time he graduates from the senior high, he ________ 3500 English words.