Choose the answer among A, B, C, D to complete each of the sentences below:
...... aren't effective anymore because insects have become resistant to them.
A.Medicines
B.Herbicides
C.Pesticides
D.Fertlizers

Choose the answer among A, B, C, D to complete each of the sentences below:
A few people enjoyed the exhibition, but the majority were ________.
A.impartial
B.restrained
C.admirable
D.disappointed

Choose the word or phrase A, B, C or D that best completes the sentence or substitutes for the underlined word or phrase.
_____ volleyball players, footballers cannot use their hands in the game.
A.Opposite
B.Like
C.Different
D.Unlike

Choose the answer among A, B, C, D to complete each of the sentences below:
The discovery was a major ________ for research workers.
A.breakout
B.breakdown
C.breakthrough
D.break-in

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.
It’s a shame that these two plans are ____ exclusive. Implementing one will automatically rule out the other
A.exhaustively
B.imperceptibly
C.mutually
D.respectively

Choose the answer among A, B, C, D to complete each of the sentences below:
It’s good idea to see your doctor regularly for ________.
A.an investigation
B.a control
C.a revision
D.a check up

Choose the answer among A, B, C, D to complete each of the sentences below:
You can drive my car _______ you drive carefully.
A.because
B.as long as
C.although
D.unless

Choose the answer among A, B, C, D to complete each of the sentences below:
Among the problems facing the national park's manager, the most serious ones are those of ______ and expansion.
A.reassessment
B.distinction
C.maintenance
D.improvement

Choose the answer among A, B, C, D to complete each of the sentences below:
When ________ a European, we should stick to the last name unless he suggests that we use his first name.
A.(2) discussing
B.(1) speaking
C.(3) talking
D.(4) addressing

Choose the answer among A, B, C, D to complete each of the sentences below:
It was found that he lacked the ________ to pursue a difficult task to the very end.
A.obligation
B.persuasion
C.commitment
D.engagement