题目内容：
回答题:Too much to read!It’S impossible to find time to read today’S top business books and thousands are published each year．Yet not keeping up with those books could be a serious and expensive mistake．Often the ideas and insights they contain are available nowhere else．
But how Can you even(19)_______ which titles are worthwhile，let alone find time to read them?Fortunately，there’S a(20)_______ ：Sound view Executive Book Summaries．It really(21)_______ In fact，it's(22)_______ o work．It is ingenious and essential．Every month， you(23)_______ two or three quick readin9，time saving(24)_______ of the best new business books．Each contains all the key points in the(25)_______ book．The big difference，instead of 200 t0 500 pages，the summary is only several pages．Instead of(26)_______ five，ten or more hours to read，it takes just l5 minutes．
Of the thousands of business books(27)_______ annually，only a(28)_______ are really worth readin9．To save your time，our Editorial Board goes over them all(29)_______ 90%．Our standards are(30)_______ ，and the criteria rigorous．
When a book meets all our tests，we prepare a summary，instead of a review or a digest．
You get a skillful distillation that preserves the content and spirit of the(31)_______ books．
The titles cover every(32)_______ 0f concem to business people today．There’S(33)
else like Sound view Executive Book Summaries ……
回答第19题。 A．see
B．know
C．ask
D．answer
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