Topics: Gerund, Infinitive, Bare Verb
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
Select your answer:

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Gerund & InfinitivesPrepositions & Modal VerbsPhrases and TensesSimple Past vs Past Continuous TenseGrammar: Have toAll, Both, Neither, None, EitherModal ProbabilityTenses and VerbsV-ing/to-VPresent Continuous, Present Perfect and Used toOther quiz:
Vocabulary and Grammar › ViewOnly after the new process _________ (implement), the team noticed a significant boost in efficiency.
A. is implemented
B. was implemented
C. had been implemented
D. implements
Mixed General Quiz › View
The river ___ runs through London is the Thames.
a. which
b. what
