Has this book been good_____for your money A.worth B.cost C.value D.price为什么不选A

i have had this book for a week的同义句 it has been a week （ ）i （ ）this book 急 This account has been blocked. this file has been damage This IP has been banned this is one of the best book that(have)ever been written,为什么括号里面不可以是(has)? Has this book been good_____for your money A.worth B.cost C.value D.price为什么不选A I know this has been hard.has been 是什么语法? She ____________this book since nine o’clock this morning.a.is reading c.was readingb.has been reading d.have been reading she has not been around this week This username has already been used是什么意思 This domain has been blocked是什么意思 Sorry,this email has been registered. what a week this has been It has been e()hot this week. This game has been Domain locked! Sorry,this loginid has been registered. Sorry, this loginid has been registere是? This Account Has Been Suspended这是什么意思