1£®In order to promote the new product, the advertiser spared _______ energy _______ money to make huge billboards£¨¹ã¸æÅÆ£©.

A£®neither ... nor  B£®either ... or    C£®not only ... but also D£®not ... but

2£®________they decide which college to go to£¬students should research the admission procedures.

A£®As                                   B£®While

C£®Until                                D£®Once