[ Grammar ]
_____ they know the answer?
A. Do
B. Does
C. Don’t
D. Doesn’t

Random Topics:
Tenses and PronounsPassive ModalsPresent Perfect TenseAdverb of Frequency and Past Continuous TenseProgressive Perfect and Simple Verb TensesIndirect SpeechConditionals and Modals of ProbabilitySentence LabelingModals Deduction: cant /mustPhrasal Verbs with up and downOther quiz:
Grammar › ViewI heard the clock ________________ six. (STRIKE)
A. strike
B. to strike
Adjective › View
Johnny has __________ feet.
A. Large
B. Shoe
C. Arm
D. Simile