We would complete it in a shorter time, and with less problems.
Correct answer D. less
Tip: press A, B, C or D to answer, and N for the next question.
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More Usage Topic Complementary questions
See allIt is hoped that a more efficient use of fuel will decrease the cost of fare.
Correct answer B. more efficient
The teacher was justly annoyed by him walking in late and disturbing the class.
Correct answer B. by him
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The room was clean, like it had never been before.
Correct answer B. like
If you saw his lunch, you would have understood why he is so over weight.
Correct answer A. saw
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