_________ 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
To save some of the human languages before they are forgotten, the students in our school started a discussion “Save Our ________”
#7516
A
Sky
B
Life
C
Arts
D
Voices
We will be free tomorrow, so I suggest ________ to the history museum.
#6428
A
to visit
B
visiting
C
we should visit
D
a visit
People often want their life to go perfectly, but accept the that nothing on the earth is flawless.
#5158
A
reality
B
quality
C
identity
D
responsibility
—What does Roger Brown do for a living?—He is one of the most successful________ in the city.
#6948
A
newspaper reporter
B
newspaper’s reporters
C
newspaper’s reporter
D
newspaper reporters