. ________ when the boulders suddenly disappeared.
#70294
A
So relieved we felt
B
How relieved we felt
C
What a relief we were feeling
D
How we felt relieved
推荐题目
We’ll have to finish the work, ____. 
#69414
A
no matter how long does it take
B
it takes however long
C
however long it takes
D
however it takes long
   difficulties we’ll meet,we must finish the work in time.
#71617
A
However
B
Whatever
C
Whichever
D
Wherever