ith\r8. on\r9. in\r10. at\rsentence structure\r6\r1. It is thought that writing about troubling experiences helps people deal with them.\r2. It is reported that a film by an unknown director has won the first prize in the film festival.\r3. It was known that this world-famous company evolved from a small company with a few\rpeople and a single office.\r7\r1. The ticket is a good deal, but the trip is not without problem\r2. They knew this was not without risk, but they encouraged us to carry out the plan.\r3. Based on the evidence of murder case, the policeman's concerns are not without foundation.\rCollocation\r8\r1. playing\r2. do\r3. go\r4. go\r5. doing\r6. play/do\r7. played\r8. keep\r9. overcome\r10. achieved\r11. set\r12. earned