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選擇。 dancing。 into D. put。兩個詞都是感官動詞,后接形容詞作表語。 3. B cut off 斷,切斷 。 bad D. better。 dancing。 ( )1. Many years ago, the air was fresh and the water was clean here. We could bees and hear birds . A. see。 singing ( )2. He says he the Great Wall twice. A. has been in B. has been to C. has gone to D. has been for ( )3. People in the Northwest have too many trees, so sandstorm is always ing in many parts of China in spring. A. cut off B. cut down C. cutting off D. cutting down ( )4. This kind of flower looks , but smells . A. n