[ Modals ]
She must _____ in the garage when we came that’s why she didn’t hear the bell.
A. have been working
B. be working
C. have worked
D. work

Random Topics:
Gerunds in SentencesGrammar - QuantiflierArticles and QuantifiersComparativesInfinitive or GerundWishesSimple Present and Present ContinuousSubordination ConjunctionsTenses and Time MarkersModals and Active and Passive VoiceOther quiz:
Paired Conjunction › ViewHave you made a decision about ……… to go to the movies …. not?
A. not only….but also
B. either……or
C. neither…..nor
D. whether….or
Action, Helping & Linking Verbs › View
The dog was burying a bone.
A. Action
B. Linking
C. Helping
I differ ______ you on this point.
A. Against
B. Near
C. Below
D. With
Grammar › View
My sister, who always (arrive) early, was the first to arrive at the party.
A. arrive
B. arrived
C. arrives
D. will arrive
