[ Grammar ]
Helen …… (to wash) the dishes for fifteen minutes.
A. have been washing
B. has been washing.
C. is washing
D. has be washing

Random Topics:
Modal, Causative Verb & Elliptical StructureContractions and ConjunctionsAdjective ClausesVerbal and Appositive Phrasesused to vs be used to vs get used toPast Continues TenseGerund, Infinitive, Bare VerbCountable & Noncountable NounsGerund or InfinitiveTenses and ArticleOther quiz:
Adjectives › ViewThe …… thing of all was that his son was rude to him.
A. bad
B. worse
C. worst
Modal Verb › View
. When you need help carrying luggages.
A. Will you help me carry the luggage now?
B. Would you please help me carry these luggages?
C. Help me to bring this luggages!
D. Help me!
Grammar › ViewI … you should buy him a tie.
A. Thinking
B. Think
C. Am thinking
D. Thinks
Grammar › View
My brother rides a bike to school ….
A. last day
B. everyday
C. next time
D. next week
