The ____________ of news that a flood is coming is a staff working in the weather bureau.
#11848
A
resource
B
origin
C
root
D
source
推荐题目
To be honest，it is Jack as well as his two classmates that________for the broken vase.
#11959
A
is to blame
B
is to be blamed
C
are to be blamed
D
are to blame
The emergency center is in great need of O-type blood，but there is__________ at hand.
#11819
A
nothing
B
none
C
any
D
much
We tried to find a table for seven, but they were all ______．
#12358
A
given away
B
kept away
C
taken up
D
used up
Until the start of the Industrial Revolution, mankind was poor, hungry, and constantly at the _______ of disease and natural disasters.
#12182
A
power
B
limit
C
control
D
mercy