However, he didn’t find anything unusual enough ………. why she could remember so much about her life
A. to explain
B. explaining
C. explains
D. explain

Random Topics:
Quantifiers: too many, too much & enoughGrammar & ReadingObject PronounsVocabulary Spelling GrammarSynonym and AntonymPast PerfectAdverb of MannerVerbs + Gerund or InfinitivePerfect ModalsComplex PrepositionsOther quiz:
Grammar › ViewWhich of the following sentences is written in passive voice?
A. The sets will have to be designed before they can be made.
B. Kara designed the sets before the crew made them.
C. A teacher designed the sets before the students made them.
D. Before people could make the sets, someone designed them.
Present Tenses › View
The moon _____ around the earth.
A. goes
B. is going
C. went
D. was going
Grammar › ViewThe firefighter rescues people from burning buildings and helps put out fires.
A. True
B. False
Gerund & Participle › View
_____ in almost every Vietnamese family’s meal, rice is the most common food in Vietnam.
A. Found
B. Finding
C. To find
D. Having found
