_________ is a growing world problem, and nowadays the United Nations and its member countries _________hard to deal with it．
#6050
A
Desertification; are working
B
Desertified ; worked
C
Desert; work
D
Desertification; have worked
推荐题目
Glad to meet you and here is my card. Let’s keep in______ later.
#5337
A
touch
B
relation
C
connection
D
friendship
He was caught stealing in the supermarket.But that was kept a secret,never coming to the of his family.
#6960
A
mind
B
idea
C
knowledge
D
thought
.You should not show any ___ for the students who get caught cheating in examinations.
#6749
A
sympathy
B
assessment
C
guilt
D
comment