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.
单项选择题 I have received （） professional training.
单项选择题 I think your sister is old enough to know （） to spend all her money on fancy goods.
