we must help ( )

We must help them? we must help it we must help ( ) we must help ______ poor We must help each other. We must het help翻译, 请问“we must help save the earth”中的help we must l_ from each other ahd help each other We must do something to help her被动语态 We must do our ____ to help them 填什么 英语语法we must help them out of danger The twin___________work hard at lessons.We must help them.A