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句意:你看起來很焦慮。 at weekends 意為 “ 在周末 ” 。根據句意選 C。 ( )1.— A number of volunteers ________ willing to teach in China’s rural areas. — Yes, the number is getting ________. 。 ( )1.— Don’t smoke any more. It’s bad for your health. — I’m trying to ’s really hard, you know. it on it off it up it out ( ) ________ get up late, but now I get up very early. to used to used to used for ( )’t ________ today’s work for tomorrow. Today’s work must be done today. up out off up ( ) our hospital, the number of women doctors ________ larger and larger. B. are D. been ( ) some Western countries, shops are closed ________ weekends. 三、用所給詞或短語的適當形式填空。 We start to grow from the moment we were born. We keep growing and growing until we bee adults. We bee bigger, taller and heavier. As we grow, important parts of our bodies change. Our bones (骨頭 ) grow bigger and longer to make us taller and stronger. Our muscles (肌肉 )