两个英语选择题,急求详细解答!MarylistenedcarefullyshemightdiscoverexactlywhatJohnwanted.AsoasthatBinorderthatCincaseDprovidedGreatasEinsteinwas,manyofthisassumptionstodayandmodifiedby

Question

两个英语选择题,急求详细解答!
Mary listened carefully ____ she might discover exactly what John wanted .
A so as that B in order that C in case D provided
Great as Einstein was , many of this assumptions ____ today and modified by contemporary scientists .
A are to challenge B may be challenged C are challenging D have been challenged

Answer 1

第一题选B,in order that 为了……表目的
只有so as to或so that,没有so as that
in case表示以防万一
provided有假如的意思.
第二题选C.
be challenging,有挑战性的,此为形容词固定格式.其它选项均为时态不对,且表示挑战的动作.