重点讲解：
1. react to （作出）反应；回应；
Local residents have reacted angrily to the news.
当地居民对这一消息表示愤怒MMKqA~Z=TW8。
2. show up 如约赶到；出现；露面；
I had to stand in for her on Tuesday when she didn't show up.
她周二没来，我只好顶替她4div8_5jFD]1v+Q.0Q。
3. take advantage of 利用；
We took full advantage of the hotel facilities.
我们充分享用了旅馆设施VjS3Uy@P9EW。
4. engage in 参与；从事；
You can engage in croquet on the south lawn.
你可以参加南边草坪上的槌球游戏H[0+;3;hIB9I&3e&b^-。