题目内容

You should_____ your Spanish before you go to Chile.

A. polish off
B. polish up
C. polish away
D. polish down

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_____ some extra money is found, the theatre will close.

A. Unless
B. Provided
C. If
D. Lest

_____the city spent over $1 billion on its museums and stadium, it failed to look after its schools.

A. Further
B. Moreover
C. However
D. Whereas

_____ our agents, we have complete confidence in their honesty.

A. Regardless of
B. On regard to
Concerning to
D. With reference to

After two children had been hurt, the company was forced to _____ the toy from store shelves.

A. lack
B. withdraw
C. omit
D. leak