Mark the letter A,B,C,D on your answer sheet to indicate the

Question 28: Our company provides free advice on the use of our products. You______pay us.

• A. must

• B)needn't

• C. have to

• D. mustn't

Question 29: You______take your umbrella along with you today. It might rain later this afternoon.

• A. shouldn't

• B. will

• C. won't

• should

Question 30:

_____is the act of preventing something from being lost, wasted, damaged, or destroyed.

• Habitat

• Conservation

• Extinction

• Biodiversity

Question 31: This shopping center gets_____crowded with shoppers at weekend.

• more and more

• from more to more

• always more

• crowded and more

Question 32: Almost half of turtles and tortoises are known to be threatened with____

• extinctly

• extinct

• extinctive

• Extinction

Question 33: Public parks_____up every day.

must be cleaned

<B. may be cleaned

C. may clean

D. must clean

• must be cleaned

• may be cleaned

• may clean

Question 34: The_____thing about travelling by train rather than by car is that you can sleep or read during the journey.

• Terrible

• enjoyable

• Embarrassing

• Boring

Question 35:______you pick up a book for the first time, check that it is not too difficult.

• Although

• Unless

• When

• Because

Question 36: The ball is______the center of the pool when the game starts.

• On

• Between

• In

• By

Question 37: It gets____when the winter is coming.

• A. more and more cold

  colder and colder

• The coldest and coldest

• Colder and colder

• Cold and cold