问题补充:
单选题Gettinggoodmarksisabout_______toprepareforandtowriteexamsbutnotjustabout______factsyouknow.A.what; whatB.how; thatC.how; whatD.what; which
答案:
C解析第一空:how to prepare for (exams) and to write exams 为介词about的宾语从句。第二空:what facts you know也是介词about后的宾语从句, what做facts 的定语。