Right choice , Wrong choice

Click on the image to enlarge

i

For each of the sentences given below, two or more choices are given, out of which only one choice is correct. 

Choose the  best option for each of the given sentences. [Also given after the sentences are the explanations for each correct choice]

do attempt the statements atleast once before seeing the solution..

1)     A/an

          

  a) Somya's got (a/an) MA. in history.

  b) She's got (a/an) Master's degree. 

-  Somya's got an MA. in history (Not *a MA. in history*)

-  She's got a Master's degree. (Not *an Master's degree*)

 Note : (a + consonant sound ; an + vowel sound )

2)    A/an  v/s  one

      a) I need (a/an/one) screwdriver to do this job properly.

  b) It was (a/an/one) coffee I ordered, not two. 

- I need a screwdriver to do this job properly.(Not *one screwdriver*)

- It was one coffee I ordered, not two. (Not *a coffee*)

Note : A/an = 'any one', it doesn't matter which ; one, two etc. , when we are     counting)

3)    A/an  v/s  some

- Please bring me a glass/an envelope. (Not *some glass/envelope).

- I want some glasses/some envelopes.

- I want some water. (Not *a water*)

- I'd like a coffee please.

Note :- ‘Some’ = an unspecified number or amount is the plural of a/an where the reference is to quantity.

We normally use a/an only with countable nouns.

We also use a/an for all drinks seen as a complete measure: a coffee, a beer.

 But use some for fluids of which there is more in the tap, bottle, etc: some water, some wine.

4) About / on / over

    a) Have you read this article (about / on / over) the Antarctic?

    b) There's an article (about / on / over) tourism in today's paper

- Have you read this article on the Antarctic?

- There's an article about tourism in today's paper (preferable to on)

  Note : on is used  for serious and specific information ; about for general interest.

- Let's agree to differ. Let's not have an argument over/about it. (Not *on*)

Note : over after argument , concern, dispute.  

I you have any queries related to any Right-Wrong word choice, then you may comment below....