3.3 从刚才背过的单词中选出最适当的填入空格内。(注意时态哟)

1. He tried to ( ) a sewing machine.

2. Tobacco was ( ) into Europe from America.

3. To win an election, a candidate must receive the ( ) of the votes.

4. Land, ( ) and capital are the three principal factors of production.

5. They showed little ( ) to their enemies.

参考答案及翻译:
1. He tried to (operate) a sewing machine. 他试图转动缝纫机.

2. Tobacco was (introduced) into Europe from America. 烟草是从欧洲介绍到美国的.

3. To win an election, a candidate must receive the (majority) of the votes. 为了赢得选举,候选人必须得到多数的选票.

4. Land, (labor) and capital are the three principal factors of production. 土地,劳动力和资本是三个主要的生产要素.

5. They showed little (mercy) to their enemies. 他给敌人一点宽恕.