【推荐1】He is too busy to ________（参加）in this activity that takes a lot of time and energy. (根据汉语提示单词拼写)

【推荐2】Farmers needed to b________ (提高) yields in the fields they had. (根据中英文提示填空)

【推荐3】All that noise makes it hard to c______(集中注意力). (根据中英文提示单词拼写)

【推荐1】It wants the government to take action to________ (使增长) the economy.     (根据汉语提示单词拼写)

【推荐2】In addition to making people aware of a product or service, a successful advertisement will also create a desire to buy, thus b________ business. (根据首字母单词拼写)

【推荐3】The local government has taken effective steps to ________ (促进) consumption. (根据汉语提示单词拼写)