New equipment and other improvements reduced the amount of time-from eleven hours in 1982 to six in 1988-needed by workers so that they could produce a ton of steel.
At an orientation meeting, the travelers were told that a visa, a landing card, and evidence of inoculation against typhoid fever would be needed by each of them.
A. a visa, a landing card, and evidence of inoculation against typhoid fever would be needed by each of them B. they would need a visa, a landing visa, and evidence of their being inoculated against typhoid fever C. they would need evidence of being inoculated against typhoid fever and a visa and landing card D. they would each need a visa, a landing card, and evidence of inoculation against typhoid fever E. they would need visas, landing cards, and evidence of inoculation against typhoid fever for each of them.
New equipment and other improvements reduced the amount of time—from eleven hours in 1982 to six in 1988—needed by workers so that they could produce a ton of steel.
A. needed by workers so that they could produce
B. needed when workers are producing
C. workers need in producing D. workers needed to produce
E. workers need for their producing of
个人觉得 A 选项的 needed by 有问题 是不是 sth be needed for sb 更好呢? 当然有人说被动语态不够好。。i don‘t know why.