题目内容

The _ of our raw material varies from year to year.

A. sauce
B. source
C. stuff
D. suit

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The company was _ruined in 2011 but managed to recover quickly.

A. virtually
B. normally
C. hopefully
D. totally

You have to _ the positive and the negative aspects of all problems before making a decision.

A. consult
B. consist
C. confirm
D. consider

A _is somebody who never makes a mistake.

A. perfect
B. perform
C. performance
D. perfectionist

You have our _that we will follow any decision you make.

A. insurance
B. assurance
C. significance
D. advancement

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