单项选择题
A.three-month B.three-months C.athree-month D.three-month’s
I think your sister is old enough to know （） to spend a...
单项选择题I think your sister is old enough to know （） to spend all her money on fancy goods.
A.better than B.than C.other than D.rather than
In addition to setting the price of a product, business...
单项选择题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
（） you have entered your new office building, you proba...
单项选择题（） you have entered your new office building, you probably would like to refurnish it.
A.Now that B.So that C.For D.Because
