<h3>This <font color="#0000ff">must </font>be the worst job in the world.</h3><h3>This <font color="#0000ff">has to be</font> the worst job in the world.</h3>Are the meaning of the following sentence the same as the ones above?<br/><h3>This <font color="#ff1493">has <u>got</u> to be</font> the worst job in the world.</h3><hr/><h3>You <font color="#0000ff">must</font> be joking. </h3><h3>You <font color="#ff1493">have got to</font> be joking.</h3>Are they the same meaning?<br/><br/>Please give me your opinion, thank you very much!