单项选择题
A.are not B.had not been C.has not been D.were not
Although （） primarily to promote trade relations, these...
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
（） our general agent, you would also have to look after...
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
I have received （） professional training.A.three-monthB...
单项选择题I have received （） professional training.
A.three-month B.three-months C.athree-month D.three-month’s
