Large sums of money have to ______ each year in painting the steelwork of bridges ships

外语类 专四 已帮助 人

Large sums of money have to ______ each year in painting the steelwork of bridges, ships, and other exposed structures.

A.spend

B.be spending

C.be spent

D.have spent

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。