However，at times this balance in nature is _______ resulting in a number of possibly unforeseen effects.
#19249
A
troubled
B
disturbed
C
confused
D
puzzled
推荐题目
The ________ news surprised Jim. He was ________ at it.
#18133
A
surprising; surprised
B
surprised; surprising
C
surprised; surprised
D
surprising; surprising
All the things _________ must be done well．
#19524
A
worth to do
B
worthy of being done
C
worthy doing
D
worth of doing
I can't remember where I have put that book.Maybe they are ___ which one is not correct.
#20311
A
missed
B
lost
C
gone
D
missing
Work gets done _______ when people do it together,and the rewards are higher too.
#20389
A
easily
B
very easy
C
more easily
D
easier
His girl friend wore a smile when seeing the nice dress she wanted.
#19149
A
satisfied
B
satisfying
C
being satisfied
D
satisfy[