Computers are very u( )and helpful.补全单词.并写出回答答案的解释.
问题描述:
Computers are very u( )and helpful.补全单词.并写出回答答案的解释.
答
useful电脑很有用和有帮助
Computers are very u( )and helpful.补全单词.并写出回答答案的解释.
useful电脑很有用和有帮助