[ Grammar ]
That robot …….. (work) all day without a break!
A. has worked
B. has been working
C. work

Random Topics:
Wh QuestionsModals for RecommendationsConditionals / Unreal PastPronouns and Subject Verb AgreementVocabulary and PhrasesQuestion TagsParts of Speech and GrammarAdverbs and Adverbial PhrasesConjunctions, Prepositions and InterjectionsSimple Present Tense/be/Present ProgessiveOther quiz:
Modals › ViewYes, you can’t / may call me on my private number.
A. can’t
B. may
Grammar › View
. What was the original meaning of the word ‘grammar’ in ancient Greek?
A. The study of pronunciation
B. The ability to write
C. The study of dialects
D. The structure of words
Modals › ViewPoor Hany ………………… go to hospital yesterday after he hurt his hand.
A. must
B. has to
C. had to
D. needn’t
Modal Verbs › View
“Hi guys, may I join you at this table?” expresses a . . .
A. request
B. permission
C. ability
D. advice
