根据语境用括号内所给单词的适当形式填空。1.MrSmithis
来源：语文精选馆 1.14W
问题详情：
根据语境用括号内所给单词的适当形式填空。
1. Mr Smith is ________ (power), and his ideas always influence others.
2. The television doesn’t work ________(proper). Can you help me?
3. With the ________(develop) of modern science, more things are invented.
4. He is giving a talk about the ________(introduction) of the new machines.
5. How long did the ________ (connect) of the telephone take?
【回答】
1. powerful 2. properly 3. development
4. introduction 5. connection
知识点：构词法
题型：完成句子
