_____earth scientists understand how and why earthquakes happen, forecasts are usually inaccurate.
#32029
A
As
B
While
C
Because
D
If
推荐题目
It surprised us all ________ Kate made such big progress in this final exam.
#30308
A
when
B
that
C
how
D
whether
Some of the people often ask the same question the air has been polluted.
#30604
A
whether
B
if
C
that
D
where
------Did the policeman let you in? ------No, ________ I told him who I was．
#31608
A
Unless
B
Once
C
as though
D
even if
She was such a proud person that she would die ____ she would admit she was wrong.
#80005
A
rather than
B
until
C
after
D
before
Why do you always drive to work _______ you could easily take the bus?
#33528
A
because
B
though
C
once
D
when