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 of Future Plans › ViewChoose the correct sentence using the perfect form of an infinitive to express a future action.
A. By this time next year, I plan to have save up enough money.
B. By this time next year, I plan to have saved up enough money.
C. By this time next year, I plan to have saving up enough money.
Tenses › View
Which sentence uses the Present Perfect Tense correctly?
A. I will have eaten breakfast an hour ago.
B. She went to the store yesterday.
C. We have watched a movie last night.
D. They have cleaned the house this morning.
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
