A.are not B.had not been C.has not been D.were not
单项选择题Although （） primarily to promote trade relations, these agreements also foster technological cooperation.
A.designed B.they are to be designed C.it is designed D.they are being designed
单项选择题（） our general agent, you would also have to look after the advertising.
A.Be B.For C.Tobe D.As
单项选择题I have received （） professional training.
A.three-month B.three-months C.athree-month D.three-month’s
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
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
