III. Choose the best option to complete the following sentences:
During the last few decades, human beings have done a great to the environment.
A.pollution
B.impact
C.damage
D.danger

III. Choose the best option to complete the following sentences:
The director at the airport.
A.must meet
B.must to be met
C.have to be meet
D.must be met

III. Choose the best option to complete the following sentences:
Maria: "Thanks for the lovely evening."
- Diana: "____________________."A.No, it's not good
B.I'm glad you enjoyed it
C.Yes, it's really great
D.Oh, that's right

_______(4. practical)
A.practicing
B.practise
C.practically
D.practicable

III. Choose the best option to complete the following sentences:
The reference book is expensive, so I think I’ll borrow it from the , rather than buying it.
A.library
B.bookshop
C.newsagent’s
D.school’s shop

III. Choose the best option to complete the following sentences:
Many species have become extinct each year before biologists can identify them.
A.destroy
B.drain
C.discover
D.endanger

III. Choose the best option to complete the following sentences:
We spend more time watching TV than reading books. But ___ fact, TV has not killed reading.
A.for
B.in
C.at
D.on

III. Choose the best option to complete the following sentences:
- “I’m taking my diving contest tomorrow.” - “__________.”
A.Luck!
B.Best wishes!
C.Good luck!
D.Good chance!

III. Choose the best option to complete the following sentences:
______ how to use this vacuum cleaner and I'll help you clean the house.
A.If you show me
B.When you show me
C.Show me
D.Unless you show me

II. Choose the word whose stress pattern is different from that of the others:
A.reduce
B.serious
C.swallow
D.separate