[ Clauses and Gerunds ]
Mike wants to thank Annie ____ helping him.
A. to
B. about
C. for
D. by

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IntermediateAdjective OrderPronounsSentence and FragmentNoun and PronounPresent or Past TensesExpressing Obligation and ModalsTenses & AffixesPassive of Modal VerbsSecond ConditionalsOther quiz:
Prepositions - Conjunctions › ViewPayment of monthly parking vouchers can be made either by personal check _____ by automatic withdrawal from a bank account.
A. but
B. and
C. or
D. if
Past Tenses › View
I was very tired when I arrived home. I _______________ hard alll day.
A. worked
B. had been working
C. had worked
D. was working