Exercise on Preposition from VLC

1 He refused to comment the problem.
He refused to comment on the problem.

2 What is the reason of Hong Kong's air pollution?
What is the reason to FOR Hong Kong's air pollution?

3 Can we meet to discuss about the policy changes?
Can we meet to discuss policy changes?

4 Graduates should consider on their career goals.
Graduates should consider their career goals.

5 They were asked to participate the interviews.
They were asked to participate in the interviews.

6 Obviously you need to adapt changing circumstances.
Obviously you need to adapt to changing circumstances.

7 Applicants who filled the questionnaire were then chosen randomly.
Applicants who filled OUT with the questionnaire were then chosen randomly.

8 This figure could reflect their dissatisfaction of the lack of training.
This figure could reflect their dissatisfaction of the lack IN for training.

9 What are the main differences of US English and the English spoken in the UK?
What are the main differences BETWEEN in US English and the English spoken in the UK?

10 Some authorities are now claiming that chocolate may be good to you in moderate quantities.
Some authorities are now claiming that chocolate may be good for you in moderate quantities.

11 The USA made a formal complaint on that country's environmental policy.
The USA made a formal complaint ABOUT that country's environmental policy.

12 Pay attention on that company's press releases. They may be looking for new employees
soon.
Pay attention to that company's press releases. They may be looking for new employees
soon.

13 The cleaners demanded for a pay rise because of the recent rise in prices.
The cleaners demanded a pay rise because of the recent rise in prices.

14 People can use credit cards to pay goods on the web.
People can use credit cards to pay FOR goods on the web.

15 If on line learning can be developed, it seems to me that education will be more effective than
the past.
If on line learning can be developed, it seems to me that education will be more effective than
IN the past.

16 Education in the internet can save a lot of resources.
Education ON the internet can save a lot of resources.

17 In my point of view, I do not think the government should censor the Internet.
FROM my point of view, I do not think the government should censor the Internet.

18 All Hong Kong people were concerned on the recent economic crisis.
All Hong Kong people were concerned about the recent economic crisis.

19 In some universities more than 2000 students are enrolled the same course.
In some universities more than 2000 students are enrolled ON in same course.

20 They want to get a job in the earliest possible opportunity.
They want to get a job at the earliest possible opportunity.

21 This implies that the present situation of Hong Kong does not allow graduates to get their
first preference jobs easily.
This implies that the present situation in Hong Kong does not allow graduates to get their
first preference jobs easily.

22 Because of the economic downturn, students tended to apply more jobs than last year.
Because of the economic downturn, students tended to apply FOR more jobs than last year.

23 Concerning about job seeking skills, the findings presented in Table 5 show that onse-third of
the subjects felt they needed more help in their interview techniques.
Concerning job seeking skills, the findings presented in Table 5 show that onse-third of the
subjects felt they needed more help in their interview techniques.

24 24% of the subjects claimed that they needed help on English speaking skills.
24% of the subjects claimed that they needed help WITH English speak