What's this? It's old book.A.a B.three C.an
( )(6)Thank you _____ your letter .A. to B. of C. for
( )(5)____ many people are there in your family ?A. What B. Who C. How
( )(4)Is your father ____ actor ?A. a B. an C. none
( )(3)My sister is ____ TV. A. in B. on C. at
( )(2)I work _____ the Bank of Britain .A. in B. on C. at