[ Infinitive and Gerund ]
This quiz is worth _____ over and over again.
A. do
B. to do
C. doing

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Grammar and Verb TensesVerbs with Prepositions and ConjunctionsLinking Verbs & Helping VerbsPhrasal Verb and ModalVocabulary and IdiomsTemporal Conjunctions and ConnectivesQuantifiers & Modal VerbsGerunds & Infinitives + VocabularyTOEIC Grammar and Vocabulary ReviewPassive and Active VoiceOther quiz:
Grammar › ViewPlants grow very well _____ rainy season.
A. in
B. on
C. at
D. No preposition
Vocabulary › View
Which word means give back?
A. return
B. remake
C. regain
D. remain
Phrasal Verbs › ViewMany hospitals are running _______________ of money
A. in
B. out
C. away
D. back
Subject Verb Agreement; Indefinite Pronouns › View
Which of the following has the correct subject-verb agreement?
A. Either of my aunts are coming.
B. Either of my aunts is coming.