--- I wonder ________ Mary has changed so much.--- She has been suffering a seri

题干

--- I wonder ________ Mary has changed so much.
--- She has been suffering a serious disease.

A．why

B．what

C．when

D．where

上一题下一题 0.64难度单项选择更新时间:2016-04-19 09:20:25

小学学科试题库

初中学科试题库

高中学科试题库