What ________ you ________ when I called you last night?
A. were, doing
B. had, done
C. are, doing
D. have, been doing
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Modal Auxiliaries and To Be VerbsModal Verbs and PermissionPronouns ( Interrogative )TOEICGrammar - much, many, a lot ofPast Simple and Past ContinuousPerfect Verb TensesGerund or InfinitivesClause Markers TOEFL GrammarModals of ProhibitionOther quiz:
Grammar › ViewThe factory ____________ far less electricity since it switched to more efficient machines.
A. had used
B. used
C. has used
D. uses
Tenses › View
His academic results have improved ______ .
A. after he had taken this course
B. before he took this course
C. when he was taking this course
D. since he took this course
Grammar › Viewchoose the grammar structure of present perfect
A. subject , have +simple past verb
B. subject+have-has verb+past participle verb
C. subject+past participle verb +have has
D. subject + has +past participle ver
Adverbs or Adjectives › View
Which sentence is correct?
A. Mia talks quick on the phone.
B. Mia talks on the quickly phone.
C. Mia talks on the phone quick.
D. Mia talks quickly on the phone.