单项选择题
It ______ him ten years to write that novel. A.tookB.spentC.cost###SXB##
多项选择题 肝胆动态显像过程中肠道持续不显影,可能由以下疾病引起()
单项选择题 当地球公转经过近日点时,我国出现的地理现象是( )
单项选择题 The fact ______ money orders can usually be easily cashed has made them a popular form. of payment.A.ofB.is thatC.thatD.which is