问题
选择题
The machine requires _____, so the workers are required _____ ready.
A.repair;to get
B.repairing;to get
C.repairing;getting
D.to be repaired;getting
答案
答案:B
require doing含有被动的意思,可以译作有被……的需要;而require sb. to do表示要求某人做某事。