小题1:Yes, (they are).
小题2:These connections (can) help us forget our failures and worries.
小题3:Because their children move out to start families of their own.
小题4:Why we have communities and what community is.
小题1:Yes, (they are).
小题2:These connections (can) help us forget our failures and worries.
小题3:Because their children move out to start families of their own.
小题4:Why we have communities and what community is.