<p>This is taken from the 09-10 practice test</p>
<ol>
<li>(Only by tapping) their last reserves of energy (were) the team members able (to salvage) (what was beginning) to look like a lost cause. (No error)</li>
</ol>
<p>The answer is no error but I thought it was A. Shouldn’t be, “Only by tapping into”?</p>
<p>[tap</a> - Definition from the Merriam-Webster Online Dictionary](<a href=“http://www.merriam-webster.com/dictionary/tap[2]]tap”>http://www.merriam-webster.com/dictionary/tap[2])</p>
<p>b : to draw out, from, or upon <tap new=“” sources=“” of=“” revenue=“”> <the story=“” taps=“” powerful=“” emotions=“”></the></tap></p>
<p>to tap into would be establishing a connection (like a spy, among other things), but to tap or to “draw from” is to attempt to use this connection with efficacy</p>