Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Doctors gave him a ______ bill of health after a series of tests and examinations.
A.clean
B.clear
C.dirty
D.happy

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The situation has become ______ worse, and it is now impossible to handle.
A.progressively
B.continuously
C.frequently
D.constantly

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Students __________ use their dictionaries during the test. It's against the rules.
A.mightn't
B.mustn't
C.oughtn't
D.needn't

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
______, women are responsible for the chores in the house and taking care of the children.
A.With tradition
B.On tradition
C.Traditional
D.Traditionally

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The chief foods eaten in any country depend largely on ______ best in its climate and soil.
A.what grows
B.it grows
C.does it grow
D.what does it grow

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
We should participate in the movements _____ the natural environment.
A.organizing to conserve
B.organized conserving
C.which organize to conserve
D.organized to conserve

You'll be able to speak English well if you................ hard.
A.studied
B.study
C.had studied
D.studies

The ....................of cars, motorbikes and factories has also increased air pollution in most cities.
A.gas
B.dirt
C.dust
D.exhaust fume

Our ............. is all the air, water and land in which we live.
A.area
B.environment
C.place
D.region

.................is the process of making something dirty or impure.
A.Transformation
B.preparation
C.Pollution
D.Population