[ Grammar ]
Which is correct?
A. I wonder if you could tell me do you know the answer.
B. I want to know why do you know the answer?
C. Could you tell me do you know the answer?
D. Do you know the answer?

Random Topics:
Simple PresentConditional SentencesQuantifiers: too many, too much & enoughOn, At, ByPresent Perfect vs Past SimpleIf- ConditionalPast Perfect Simple & Past Perfect ContinuousPresent simple or Past simpleQuantifiers, Countable and Uncountable NounsVocabulary Spelling GrammarOther quiz:
Grammar › ViewWe haven’t got ______ salt.
A. Any
B. A
C. An
D. Some
Modals in the Past › View
He ______ bought her a ring instead of a necklace. She would have been happier.
A. might have
B. may have
C. could have
D. must have
Mixed Tenses › ViewJohn _________________ in the same house since he left school.
A. has lived
B. had lived
C. lived
D. was living
Places in Town › View
There aren’t ______ cafés near my house
A. some
B. many
C. any
