Choose the correct verb in each sentence on P24. 1. Sales staff who are impolite to customers disrupt / damage the reputation of a company. 2. We are planning to promote / establish branch offices in Singapore. 3. By merging with a US company, we greatly strengthened / maintained our sales force. 4. Our image has been fostered / undermined by poor after-sales service. 5. Thanks to a new communications system, we are souring / improving relations with suppliers. 6. A strike at our factory resumed / disrupted production for several weeks. 7. We could not agree on several points so we broke off / cut off talks regarding a joint venture. 8. The success of our new product launch was resumed / jeopardised by an unimaginative advertising campaign. 9. In order to gain market share in China, we are building up / cutting off a sales network there. 10. Relations between the two countries have been endangered / fostered by official visits and trade delegations.