call后面加什么代词

　　例句：

　　This is Mission Control calling the space shuttle Discovery.

　　这是地面指挥中心呼叫航天飞机“发现号”。

　　He didn't even have the intelligence to call for an ambulance.

　　他连呼叫救护车的头脑都没有。

　　I called in at my local on the way home.

　　我回家途中去了我住处附近的酒吧。

　　Call it what you will, it's still a problem.

　　不管怎么说，这仍然是个问题。

　　There were calls for major changes to the welfare system.

　　有人要求对福利制度进行重大改革。