What really worries us is ______ the explorers can accurately locate themselves with the device in case of bad weather.
#79509
A
that
B
where
C
what
D
whether
推荐题目
What the doctor really doubts is ______ my mother will recover from the serious disease soon.
#79433
A
when
B
how
C
whether
D
if
Our country ______ great changes in the last 30 years and it is no longer it used to be.
#79491
A
went through; what
B
went through; that
C
has experienced; that
D
has experienced; what
The question that puzzled them is ____ they can get rid of the air pollution in the area.
#79372
A
how is it that
B
that how
C
that it is how
D
how it is that
______ surprised the hostess most is _______ one of her friends left the party without saying a word.
#79405
A
What, what
B
What, that
C
That, that
D
That, what
