日日人人_亚洲美女在线视频_av手机在线播放_国产大片aaa_欧美中文日韩_午夜理伦三级

What the doctors really doubt is _____________ my mother will recover from the serious disease soon.

  A. when      B. how      C. whether      D. why

What the doctors really doubt is__________my mother will recover from the serious disease soon.

A.when                B.how                   C.whether              D.why?

What the doctors really doubt is ______ my mother will recover from the serious disease soon.

A．when 

B．if

C．whether 

D．what

. What the doctors really doubt is ______ my mother will recover from the serious disease soon.

 What the doctors really doubt is ______  my mother will recover from the serious disease soon.

A．when    B  how         C  whether    D  why

What the doctors really doubt is _____ my mother will recover from the serious disease soon. 
   A. when         B. if 　 C. whether    D. why