.The price of petrol has been ______ 20 percent since the beginning of this year.
问题描述:
.The price of petrol has been ______ 20 percent since the beginning of this year.
A.increased to B.risen by C.increased by D.risen to
答
答案:C翻译:油价自从今年初以来已经被增加了20%.1.楼主注意句子采用了被动语态:has been...,这要求谓语动词为及物动词.很明显,rise只能做不及物动词,increase既可做及物动词,也可作不及物动词.由此排除BD;2.been...