bring down; bring back; bring up; bring in
bring down表示“使倒下”、“减少”、“降低（价格、温度）”；
bring back表示“使回想起”、“归还”、“带回来”；
bring up表示“呕吐出”、“养育”；
bring in表示“把．．．．．．引进来”、“赚入”、“获利”、“把．．．．．．拿进来”、“吸收”。
[EXERCISES]
1) Her singing ＿＿＿＿＿ memories of my mother．
2) They also ＿＿＿＿ some words from their own languages．
3) The wind ＿＿＿＿ a number of trees．
4) He ＿＿＿＿＿ all he had eaten．
5) Can you try to get them to ＿＿＿＿ the price﹖
6) All library books must be ＿＿＿＿ before June 25．
7) Mr White ＿＿＿＿ ＄500 a week．
8) You must manage to ＿＿＿＿＿ the temperature．
Key: 1) brings back 2) brought in 3) brought down 4) brought up
5) bring down 6) brought back 7) is bringing in 8) bring down
