问题
选择题
Some audience complain that it usually __________ too long to watch the ads during TV series.
A．costs
B．spends
C．takes
D．spares
答案
答案：C
cost主语是物,宾语一般是金钱；spend主语一般是人；take主语通常是it,且多用it takes (took)...to do的形式；spare抽出,匀出,节省。根据句意C正确。