1. there has recently been a rather disappointing report, which says that britain is seen across europe
(in) the country with the worst problem with anti-social behavior.
괄호친 (in)이 틀린 부분이라는데 도통 이해가 안 됩니다.
정답은 무엇이 되어야 할까요?

2. the client wants the computers ( installed) by the end of this week.
will be installed가 안 되는 이유는 by 같은데, 명확히 모르겠습니다.

친절한 설명 부탁드릴게요~