Carbon dioxide may be absorbed by trees or water bodies, or it may stay in the atmosphere when _______ while it is only in the atmosphere that chlorofluorocarbons find their home.




A.by releasing emissions from cars
B.released from car emissions
C.cars that release emissions
D.emissions are released by cars

So little _______ about mathematics that the lecture was completely beyond me.




A.I have known
B.I knew
C.do I know
D.did I know

The money was stolen never found.




A.The
B.was
C.stolen
D.never

Choose the best answer to complete the following sentenses.
We …..............her a happy birthday




A.wished
B.said
C.told
D.wanted

Choose the best answer to complete the following sentenses.
You are …...........who noticed




A.the single
B.the only
C.only one
D.the only one

Complete sentences using the correct form of the words in brackets
All of his ..............are about love. ( poet)




A.poems
B.poetry
C.poetic
D.poetical

Complete sentences using the correct form of the words in brackets
Leisure habits won’t change much in the …........... future. ( see)




A.foreseeable
B.seeing
C.sightseeings
D.sees

Complete sentences using the correct form of the words in brackets
The factory was..............so the management tried to cut cost by making some workers redundant. ( compete)




A.competitive
B.incompetitive
C.competition
D.competitors

The cost of living is getting _________.




A.the higher, the higher
B.more and more highly
C.higher and higher
D.the more high than ever

Different conservation efforts have been made to save _________ species.





A.danger
B.dangerous
C.endangering
D.endangered