One is always going to lose... | C1 – Advanced

Question 102. The key to success in running an ethnic food restaurant is _____.

Question 103. The city's landscape architects are working to _____ how more trees can be included in the Spencer Canal project.

Question 104. A printed catalog with descriptions and images of our products can be mailed to customers _____ request.

Question 105. Schandrax Ltd.'s mining machinery is designed to perform _____ even under the harshest conditions.

Question 106. It is recommended that novice hikers walk at a relaxed _____ and avoid going too fast, especially on steep trails.

Question 107. Your home's heating system should be checked every six months to ensure that it is operating as _____ as possible.