问题
选择题
A library with five thousand books ____________ to the nation as a gift.
A．have offered
B．are offered
C．has offered
D．is offered
答案
答案：D
考查时态语态。句意：一家有五千本藏书的图书馆被作为礼物提供给这个国家。图书馆是被提供的对象，故用被动语态。主语是第三人称单数，故选D。