單項(xiàng)選擇題

In addition to setting the price of a product, business firms must decide （） to offer special discount and credit terms to their customers.

A.if
B.which
C.whatever
D.whether

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（） you have entered your new office building, you probably would like to refurnish it.

A.Now that
B.So that
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The outer packing of the black tea in small wooden cases looks （）.

A.attractive
B.attractively
C.beauty
D.beautifully