You'll be an alcoholic if you don't _________ .
A.speak up
B.keep up
C.stay on
D.watch out

A wide range of endangered species can have a chance to survive thanks to wildlife habitat _________ .
A.reservations
B.receptions
C.reservoirs
D.reserves

The Red List is a global list of _________ and vulnerable animal species.
A.endangered
B.dangerous
C.endangering
D.dangerously

"Our team has just won the last football match." -“_________”
A.Good idea. Thanks for the news.
B.Well, that's very surprising!
C.Yes. I guess it's very good
D.Congratulations on your graduation.

Although his leg hurt, Amada finished the race.
A.In spited of a pain in his leg, Amada finished the race.
B.Amada may have hurt his leg, but he finished the race.
C.The more his leg hurt, the more Amada tried to finish the race.
D.Despite having finished the race, Amada's leg hurt.

My brother quickly adapted to his new job at the bank.
A.My brother was used to adapting to new jobs at the bank quickly.
B.My brother's new job at the bank was easy for him to adapt to.
C.My brother quickly got used to his new job at the bank.
D.My brother's new job at the bank could be adapted to immediately

It was to be another twenty-five years before Michael returned to his home town.
A.It is twenty-five years since Michael returned to his home town.
B.Michael returned to his home town nearly twenty-five years ago.
C.People in Michael's home town have been waiting for him to return for twenty-five years.
D.Not until twenty-five years later did Michael return to his home town.

He seems not to care about anything.
A.He acts as if nothing could be a matter with him
B.He acts as if nothing matters to him.
C.Nothing is of any importance to him.
D.He pretends to care about nothing.

The word "those" in paragraph 1 refers to:
A.nitrates
B.properties
C.particles
D.models

In the scientists' research, where did the pollutants come from originally?
A.arid areas
B.the Saudi Coast
C.Cairo
D.the Sahara desert