Itistosaythankyouveryoften，eve

It is __________ to say "thank you" very often，even to family members.（　　）

A．politeB．rudeC．dangerousD．humorous

登录免费查看答案和解析

相关试题

Frank will fall behind in studies he works hard from now on．（　　）

A．unlessB．becauseC．if

收藏答案/解析

Could you tell me by Wechat？（　　）

A．what can we doB．what we can do

C．what do we do

收藏答案/解析

David， make trouble at school．（　　）

A．can'tB．don'tC．doesn't

收藏答案/解析

Tony， come on， we'll miss the World Cup．（　　）

A．soB．andC．or

收藏答案/解析

Must we finish the homework now？

Our teacher doesn't ask us to．（　　）

A．Yes， we mustB．No， we mustn't

C．No， we needn't

收藏答案/解析