题目内容

We regret having received your offer too late, because we ____ our needs elsewhere.

A. already cover
B. already covered
C. have already cover
D. had already covered

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The discount of 5% agreed on was granted only ____ no balance was outstanding from previous account.

A. on condition
B. on condition that
C. that
D. depends on

【B8】

A. To her disappointment
B. In her disappointment
C. To her surprise
D. In her surprise

After studying our prices and our liberal terms, you will understand why we are working ____ capacity to meet the demand.

A. on
B. to
C. for
D. of

【B2】

A. concerned
B. concern
C. concerning
D. to concern

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