__ was once regarded as impossible has come true.
#73630
A
Who
B
Which
C
That
D
What
推荐题目
It’s not until you have lost your health _______ you always take for granted _____ you know its value.
#71589
A
that; which
B
it; that
C
which; that
D
which; which
It’s difficult to calculate its price would be if the museum wanted to sell the ancient vase.
#70095
A
how many
B
what
C
how
D
whose
Peter was so excited __________ he received an invitation from his friend to visit them.
#68042
A
where
B
that
C
why
D
when