Structure Directions: There are 5 incomplete statements here. You should fi11 in each blank with the proper form of the word given in brackets. 46. The proposal that the head of the team made at the meeting sounds (reason) ______. 47. Generally speaking, once you (make) ______ the payment, the goods should be delivered within a week. 48. It is said that advertising is the (expensive) ______ of all the promotional activities undertaken by businesses. 49. The company suffered greatly during the economic crisis, with considerable loss of its (invest) ____ _ . 50. It is reported that an international conference (hold) ______ in London next Friday.