Match the expression in List I with its meaning in List II            

Choose the correct answer from the options given below:

A – III, B – I, C – II, D – IV

The correct match between List A and List B is: OPTION 2 : A - III, B - I, C - II, D - IV

Explanation:
A. Once in a blue moon - III. On rare occasions
B. To turn over a new leaf - I. To transform oneself into a better person
C. On the cards - II. Probable
D. To plough the sand - IV. To work in vain

Once in a blue moon is a common idiom which indicates that something happens only very rarely. 

To turn over a new leaf means to make a new start; to improve one’s conduct or outlook.

On the cards means possible or likely.

To plough the sand means to engage in doing something futile and useless, without a fulfilling purpose.