你想知道这双袜子是谁的,可以问:A. Whose socks is it? B. Whose socks are they?
( )(10) It is time ____ go to school . A. goB. goingC. to go
( )(9) ____ English book is this ? A. WhatB. WhoC. Whose
( )(8) What is ______ job ? A. heB. sheC. her
( )(7)____ have a happy family . A. WeB. UsC. Our
( )(6)Thank you _____ your letter . A. toB. ofC. for