Select the correct sentence using a time expression with past perfect continuous:
A. I had been reading for two hours when the lights went out.
B. I have been reading for two hours when the lights went out.
C. I was reading for two hours when the lights went out.
D. I read for two hours when the lights went out.

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Conditional Sentence Type 2Conditional Sentence Type 3First & Second ConditionalClause Markers TOEFL GrammarAdjective ending with ED & INGPresent Tense (Negatives and Questions)Kinds of SentencesIndependent/Dependent Clauses & Relative ClausesReported Speech and TensesModals for RecommendationsOther quiz:
Grammar › ViewWhich of the following is written in active voice?
A. The students worked hard to study for their test.
B. The students were given help by the teachers.
C. Good grades were earned by everyone who paid attention.
D. Everyone who received an A+ was given candy by the teachers.
Modal Verbs › View
Complete the sentence: They ___ be at the meeting; they were invited. (must/can)
A. might
B. could
C. should
D. must
Wish / If only ( Present) › ViewIt is not correct: If only I were with you.
A. TRUE
B. FALSE
Grammar › View
I wake up … earliest on Mondays as I go to a yoga class. On other days I sleep later.
A. –
B. a
C. the
