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
Is this research center _________ you met some foreign guests last week?
#79484
A
that
B
where
C
which
D
in which
—These days I feel exhausted and lack strength.—That’s _____too much drinking and poor diet lead.
#79376
A
what
B
which
C
why
D
where
With time going by, we have come to realize that creativity is _______it takes to keep a nation highly competitive.
#79464
A
what
B
how
C
why
D
that
Although you have learned much knowledge and a lot of theories, the problem is _______ can be put into practice.
#79449
A
what you have learned
B
how what you have learned
C
that what you have learned
D
how that you have learned
The reason ____he was late was ____he had taken a wrong bus.
#79465
A
why; because
B
for; because of
C
why; that
D
for; that