Even the experienced doctors dare not carry out the operation because of the         of failure.
#6959
A
future
B
pressure
C
worry
D
risk
推荐题目
  _____ of water makes Death Valley a desert, but it is by no means devoid.
#7219
A
Lacking
B
Being lack
C
Because of lack
D
Lack
He dropped the ______ and broke it.
#5441
A
cup of coffee
B
coffee’s cup
C
cup for coffee
D
coffee cup