it's friendly ____ others when they are in trouble A.for us

it's friendly ____ others when they are in trouble A.for us I think it's right__ others when they are in trouble.(help) It's good_(help) others when they are in trouble.急.谁告诉下啊 it is not polite to ( ) others when they are in trouble A ge it's wrong of you to __ people when they are in trouble A,la it's not polite to trouble others when they are working It is necessary ( ) others when they are in trouble.Do you t Please don't ________ others when they are in trouble. Don't （）others when they are in trouble. when we are ___ trouble they often help us.A.in we must help others when they are in trouble.为什么用others? 英语介词When you are ___ trouble please ask for help ___ us.A.in