1.  The government has finally decided to crack down ___ tax evasion.

2.  It’s important to be suspicious ___ any emails asking for your passwords.

3.  I’m not really acquainted ___ the new regulations yet.

4.  Her success can be attributed ___ her hard work and dedication.

5.  You shouldn't boast ___ your wealth in front of people who are struggling.

6.  The company is teetering on the verge ___ bankruptcy.

7.  We need to find a solution ___ the problem of plastic pollution.

8.  Many people are opposed ___ the idea of building a new highway.

9.  He was disqualified ___ the race for using banned substances.

10.  The manager is very impressed ___ your performance this quarter.

11.  She has a reputation ___ being very strict with her employees.

12.  The scientist's theories are grounded ___ years of research.

13.  Are you capable ___ finishing the report by tomorrow morning?

14.  We must refrain ___ smoking in the hospital premises.

15.  I am very grateful ___ you for your support during the crisis.

16.  The judge was biased ___ the defendant from the start.

17.  He is preoccupied ___ his upcoming wedding and can't focus on work.

18.  There is a lack ___ communication between the two departments.

19.  The new law is intended to prevent people ___ driving after drinking.

20.  She has a great talent ___ spotting new trends in fashion.

21.  I’m sorry, but I’m not at liberty ___ disclose that information.

22.  The local residents are protesting ___ the closure of the library.

23.  He was oblivious ___ the fact that everyone was staring at him.

24.  This recipe is an alternative ___ the traditional chocolate cake.

25.  The success of the project depends ___ everyone’s cooperation.