根据语境用括号内所给单词的适当形式填空。1.MrSmithis

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