[ Past Perfect Simple ]
Lily couldn’t sleep because
A. he hadn’t studied enough.
B. he had forgotten to charge the battery.
C. she had drunk too much coffee.
D. they had just had dinner.

Random Topics:
Degrees of ComparisonPast Simple or Past Continuousa, an, the, zero articleGrammarInfinitives and GerundsDefinite and Zero ArticleModal AuxiliaryTypes of PhrasesWord Form & Verb TensePerfect and Past TensesOther quiz:
Relative & Interrogative Pronouns › View_______________ were you talking to before you entered the class this morning?
A. Which
B. Who
C. What
D. Whose
Modal Verbs and Contrastive Conjunctions › View
Choose the sentence with the correct use of a contrastive conjunction.
A. We must leave early for the concert, or we could miss the opening act.
B. He might go to the gym now, yet he might also choose to go later in the day.
C. They should finish their homework first, and they could play video games afterward.
D. She must finish her chores before going out, but she might still be late.