[ Past Perfect and Past Perfect Continuous Tense ]
We ___________________ (BE) worried about John because we ___________________ (CALL) several times but he never answered
A. were ; had called
B. was ; had called
C. had been ; called
D. be ; has called

Random Topics:
Transitive and Intransitive VerbPast PassiveWish clauseObject PronounsSimple Present and Past TenseSimple Present TenseConjunction and PunctuationGrammar (Adverbs, Prepositions, Prepositional Phrases)Adverbs, Infinitives, Definite ArticleZero & First ContidionalOther quiz:
Modals › ViewI’m sorry but I ………………. go out for lunch with you today, I’m busy.
A. must
B. have to
C. can’t
D. should
Conjunction › View
I have a stomachache, ______ I will come to school
A. Since
B. Because
C. However
D. Unless