Question

7.                was how he could stand there for as long as two hours without moving a bit. (puzzle)

最让我困惑的是，他怎么能站在那一动不动，长达两个小时。

Answer 1

7. What puzzled me most考查主语从句。题干中主句缺少宾语同时从句缺少一个主语。而在名词性从句中what即充当主句的成分，同时也充当了从句的成分。如果从句中不缺主语、宾语，用that, whetheK是否)或连接副词。sth. puzzle sb. 某事让某人困惑。