Medical accidents _________by drugs have attracted much attention in that country. A. causing B.to be caused C.be caused D.caused 2.______ great losses in the financial crisis, the company closed down last year. A.Being suffered B. To suffer C.Having suffered D.Suffered 3. The company is offering a 5% discount to customers as a way ______its online sales. A.promoting B.promoted C. to promote D.promotes 4. If you turn to the right at the corner, you will find a path______ to the historical building. A. lead B.leading C.to lead D. leads 5. Miss Smith assistant enjoys_____for her although she treats him very strictly. A. work B.working C. to work D. worked 6. The proposal _____at the meeting now is of great importance to our department. A.being discussed B. to be discussing C.having discussed D.discussing 7._____ In the company for 3 years, Mark has become experienced in business negotiations. A. Having worked B. Have been working C.Have worked D.Worked 8. The auto industry spends large amounts of money on marketing campaigns_____young adult customers. A. attract B.attracted C.to attract D.attracts 9.____ by the failure of the project, the manager could hardly say a word. A. To be shocked B.Shocked C.Be shocked D.Shocking 10.They still have some problems_____in designing the new energy vehicles. A.overcome B.overcoming C.to overcome D.overcomes