whether位于句首引导什么从句

　　All she's worried about is whether he is all right.

　　她所担心的.只有他是否都好。

　　Your lawyer can advise you whether to take any action.

　　你的律师可以告诉你是否起诉。

　　I hear you're taking bets on whether she'll marry him.

　　我听说你愿意拿她是否会嫁给他的事和人打赌。