Winning three gold medals is the most remarkable (achieve) ______ he has made so far. 27 、 In order to deal (effective) ______ with the frequent railroad accidents, a special committee has been set up. 28 、 Generally, the front page of newspapers (devote) ______ to the most important news of the day. 29 、 In addition to the (require) ______ courses, there are still some other courses to be individually chosen. 30 、 These scientists are interested in (find) ______ out how short-term memory becomes long-term memory. 31 、 The sales manager asks his men every week (inform) ______ him of everything concerning sales. 32 、 If you want to be (success) ______ in life, you should be honest and self-confident. 33 、 The engineer put forward a (suggest) ______ at the meeting to improve the public traffic system. 34 、 Once the payment has been made, the goods should (deliver) ______ in one or two days. 35 、 In the past decade email (become) ______ one of the most popular means of communication.