He  is  often    to the cinema on the weekend
A.taken
B.take
C.taking
D.to take

If you/ stay / late/ you/ be/ tired/ tomorrow
A.
B.
C.
D.

There / so many chickens/  garden / I / not count/ them all
A.
B.
C.
D.

How long/ it / usually take you/ do/ homework ?
A.
B.
C.
D.

No one/ our club/ speak English/ fluently/ as Mai
A.
B.
C.
D.

What is the message to the readers?
A.We should take action to protect our water resources
B.We should take all water resources into account
C.We should limit the use of water resources
D.We should encourage people to use safe water

How many countries throw industrial wastes into the Mediterranean Sea regularly?
A.exactly   16
B.exactly  15
C.nearly  16
D.less than 15

What is a serious problem of Lake Baikal in Russia?
A.It contains a rich variety of animals and plants
B.It is polluted by massive volumes of industrial wastes discharged into it.
C.It has 1,300 rare species that do not exist anywhere else in the world
D.The government did not have the power to enforce laws and regulations

Which of the following is NOT the reason that makes water undrinkable?
A.acid   rain
B.garbage
C.industrial  pollution
D.high cost

One environmental problem in the world  today is   
A.acid   rain
B.safe water shortage
C.industrial  pollution
D.. population explosion