---- I heard you bought a new flat, didn’t you? ---- Yes.We can get a wonderful ______ from our front room.

Many nations have promised to reduce greenhouse gas emissions, but are falling short of the _______ reduction of 25 to 40 percent of 1990 levels.

Teachers have to constantly update their knowledge in order to maintain their professional ________．

Thanks to the vivid ______, the speaker made the abstract concept accessible to all the audience.

—I’m going to Beijing tomorrow.—What a ______! I’m going there too.