帮忙做一下英语题

13.The survival of civilization as we know it is under threat.

15.The police do not allow him to go out of the city without permission.

17.I have had great deal of trouble keeping up with the rest of the class.

19. Li Ming,with whom I wentto the concert enjoyed it very much.

21.Free medical treatment in this country covers sickness of mind as well as ordinary sicknesses.

23.No doubt he means to help, but in fact he just gets in the way.

24.It is recommended that the project not be started until all the preparations have been made.

25. Luckily I was wearing a seat belt. If I hadn’t been wearing one, I would have been injured seriously.

抄去吧，有些我不会，谅解，我是认认真真的查的电脑，请采纳我的辛苦

求采纳~~~~~~~~~

13. B. under
14. C. employees
15. B. permission
16. D. when
17. B. making up for
18. A. replace
19. B. with whom I went
20. A. exhaust
21. D. ordinary
22. D. adapt
23. D. in no way
24. B. will not be started
25. D. would have been injured

BCBDC
ABABDA
BAD