Hi,<br/>I always have a problem with"be up to" and it's meanings.<br/><br/>Here's one:<br/>A: Hi. What have you been up to? What's meant by this?<br/>B: <i><u>Not much</u></i>.<br/><i>I’ve been busy.</i><br/></br><i>and also: To get hold of you:???????</i><br/></br></br></br></br></br></br></br><i>Thanks in advance<br/></i>