题干

When asked what they would volunteer to do, ________ said they were willing to do something they could.
A.half of theseB.half of which
C.half of whomD.half of them
上一题 下一题 0.64难度 单项选择 更新时间:2013-05-08 04:20:44

答案(点此获取答案解析)