单句改错。
每句中只有一处错误,找出并改正。
11. He lived in London for 3 months, during that time he learned some English. ________
12. He said the work would be done by October, that made us surprised. ________
13. Let’s put off the meeting until next week, then we will have time. ________
14. The man, that lives next to us, is my English teacher. ________
15. She heard a terrible noise, and which brought her heart into her mouth. ________