They're in different ________.
A. class B. school C. schools
His hobby is .
A. singingB.singC. to sing
Thank you your letter .
A．toB.forC.with
There were ___________ on the table just now.
A. a glass of juiceB. some milkC. three cups of tea
--Here _____ some water for you, Jim. --Thank you.
A. areB. isC. were
Can I have _____ envelope and ______ writing paper?
A. a, someB. an, someC. an, any