Grammar: Comparatives and superlatives, Positive, negative

1. This pipeline is __________ (long) than the one we installed last year.

• a) longer
• b) long
• c) longest
• d) more long

2. Offshore drilling is __________ (expensive) than onshore drilling.

• a) expensive
• b) more expensive
• c) most expensive
• d) expensiver

3. The new equipment is __________ (efficient) than the old one.

• a) efficient
• b) more efficient
• c) most efficient
• d) less efficient

4. This is the __________ (dangerous) task I have ever done.

• a) more dangerous
• b) most dangerous
• c) dangerouser
• d) dangerous

5. The __________ (high) safety standards are always applied in our operations.

• a) higher
• b) more high
• c) highest
• d) more higher

6. This pump is __________ (powerful) than the other one.

• a) powerful
• b) more powerful
• c) most powerful
• d) powerfuller

7. The new procedure is __________ (safe) than the previous one.

• a) safer
• b) safest
• c) more safe
• d) most safe

8. This well is producing __________ (much) oil than we expected.

• a) much
• b) more
• c) most
• d) many

9. This rig is the __________ (advanced) one in the region.

• a) more advanced
• b) most advanced
• c) advance
• d) advancer

10. Working in extreme conditions is __________ (difficult) than working in mild weather.

• a) difficult
• b) more difficult
• c) most difficult
• d) difficulter