摘要： The question is it is worth doing.

网址：http://m.1010jiajiao.com/timu3_id_2475422[举报]

The question is ________ it is worth doing.

A.
if
B.
whether
C.
which
D.
what

查看习题详情和答案>>

The question is _____it is worth doing.

A. whether
B. that
C. what
D. how

查看习题详情和答案>>

The question is ______ it is worth doing.

A. if B. whether C. which D. what

查看习题详情和答案>>

The question is ______ it is worth doing.

A. if B. whether C. which D. what

查看习题详情和答案>>

The question is ________ it is worth doing.

[　　]

A．if	B．whether
C．which	D．what

查看习题详情和答案>>