<ol>
<li>After each of the architects (have finished to present) a plan for the buildings renovation, the committee considered the proposal and made its decision.
A- have finished to present
B- had finished to present
C- had finished presenting</li>
</ol>
<ul>
<li>The answer is C, and I got right answer but double checking,,,,, so B is wrong, because of to present- which is infinitives (indicate unreal, abstract, or future action).</li>
</ul>
<ol>
<li>Although one might think that contact lenses are a recent invention, (but in fact were) developed more than a century a ago.
A - but in fact were
B they have in fact been
C they were in fact</li>
</ol>
<ul>
<li>The answer is C, and I got right answer but double checking,,,,, so B is wrong, because of wrong passive voice (have + pp + been + by Object). Would it be correct answer if it was they have in fact developed more than a century a ago?</li>
</ul>
<ol>
<li>Elizabeth Bishops unpublished manuscripts contain many unfinished drafts; (some she intended) to rewrite, (but others) she (never meant) to publish, (having lay) them aside as mementoes of the past. (No error)</li>
</ol>
<ul>
<li>The answer is (having lay), what should I change this to?? </li>
</ul>
<ol>
<li>(In recognition to) her (extraordinary) contributions to gospel music, in 1988 the National Endowment for the Arts (presented) Willie Mae Ford Smith (with) a National Heritage Award. (No error).</li>
</ol>
<ul>
<li>The answer is (In recognition to), what should I change his to and why this is a correct answer?</li>
</ul>
<p>Thanks again,, this is from 2011 Oct</p>