It / start / one hour ago.
A. It start one hour ago.
B. It started an hour ago.
C. It did start an hour ago.

Random Topics:
Adverbial Clause of ConcessionFuture Tense VocabularyVerbs + Gerund or InfinitiveWish SentencesTravel VocabularyAdjective / Noun + to InfinitiveVerb PhrasePronouns and QuantifiersGrammar - TOEICPresent Simple and Modal VerbsOther quiz:
Grammar › ViewChoose the correct auxiliary verb (Do or Does) to complete the interrogative form in the sentence:
_______ They skate in winter?
_______
A. Does
B. Dos
C. Do
Grammar › View
“You cheated in the exam,” the teacher said to his students.
A. The teacher insisted his students on cheating in the exam.
B. The teacher prevented his students from cheating in the exam.
C. The teacher advised his students to cheat in the exam.
D. The teacher accused his students of cheating in the exam.
Reported Speech › ViewMy doctor has recommended that I ——– more exercise
A. to do
B. doing
C. do
D. should did
Modal Verbs › View
I’m sorry but you ………. use the computer until after I’ve finished.
A. can’t
B. may
