[ Grammar ]
They ……………….. the answer.
A. doesn’t know
B. don’t know
C. aren’t know
D. don’t knows

Random Topics:
Bare Infinitive and To InfinitiveAdverbs of frequencyModals and PrepositionFirst ConditionalAdjective Clause and Adverb ClauseSimple TenseGrammar PhrasesModals of Necessity and SuggestionNoun Phrases and AdverbialsPast Continues TenseOther quiz:
Grammar › ViewI will buy a car when I […] enough money.
A. will have
B. had
C. am going to have
D. have
Modal Verbs › View
________ is used to express that something is necessary or useful to do. It is similar to must or have to.
A. Should
B. Ought to
C. Be to
D. Need
Vocabulary › ViewRobots are just one example of ______ Intelligence.
A. hardware
B. software
C. Artificial
D. RAM
Plural › View
What’s the plural of baby?
A. Babys
B. Babyes
C. Babies
