_____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
Most animals have little connection with animals of a different kind, _______ they hunt them for food.
#32650
A
if
B
while
C
unless
D
as
His ability has never been in doubt----the question is ___________ or not he is prepared to work hard.
#31580
A
that
B
if
C
where
D
whether
________ enough time, but he couldn’t do it better.
#79873
A
He was given
B
Given
C
To be given
D
Though he was given
His father got him a job in a bank but soon it became clear he was not fit for that kind of work.
#30610
A
why
B
what
C
whether
D
that
Future agriculture should depend on high technology __________ traditional methods.
#32826
A
as good as
B
as far as
C
as well as
D
as long as