____ the flight to Beijing will be delayed is ____ I’m especially worried about.

题干

A．If; what

B．Whether; that

C．When; that

D．Whether; what

上一题下一题 0.15难度单项选择更新时间:2012-09-16 09:05:14

小学学科试题库

初中学科试题库

高中学科试题库