<p>IS:
When the Berlin Wall,long a symbol of the Cold War,began to be torn down in 1989,five million people went to Berlin to celebrate that.
A. celebrate that
B. celebrate</p>
<p>IE:
Until recently,most people A(entering) politics B(feel) that loss of privacy was C(a fair price) to pay D(for) the chance to participate in policy making.</p>
<p>IS:
The owners of stadiums that bear the names of now bankrupt companies have a problem what to do about the names.
A.what to do about the names
B.what they should do about the names
C.deciding what to do about those names</p>
<p>some wrong choices have been omitted. Could someone help me with these probs? The answer seems particularly strange.</p>