My mother ………………………………….in the kitchen.
A. Is cooking
B. Is cooks
C. Be cooking
D. Are cooking

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Articles - rulesNoun ClausesGrammar: Adjectives & PrepositionsPassive and Active VoiceRelative ClausesVerbal CommunicationPhrasal Verbs with up and downHabitual and Continuous TensesCountable - UncountableModal and Relative PhrasesOther quiz:
Grammar › ViewNeither of friends were happy with the Christmas presents, _________
A. wasn’t they?
B. weren’t they?
C. did they?
D. were they?
Future Tenses › View
A: Please wait!
B: I’ll hold it!
A. an uncertain prediction
B. a sure plan
C. a spontaneous decision
D. a certain prediction
Grammar › ViewHualien is such a beautiful place ____________ we spent two more days there during our trip down Taiwan’s eastern coast.
A. which
B. where
C. when
D. that
Grammar › View
In which sentence is the comma used correctly?
A. Unimpressed by their antics Mom, told Kevin and Alma to go inside.
B. Unimpressed, by their antics Mom told Kevin and Alma to go inside.
C. Unimpressed by their antics, Mom told Kevin and Alma to go inside.