1The world is ............... happy place.
Wrong!
Use "a" before a singular countable noun when you mean one example of something.
2She is ............... accomplished dancer.
Wrong!
Use "an" before a vowel sound, as in "accomplished".
3Where is ............... hat that I brought from London?
Wrong!
Use "the" because the clause "that I brought from London" identifies a specific hat.
4Aluminum is ............... useful metal.
Wrong!
Use "a" before the consonant sound /j/ in "useful".
5Would you open ............... window, please?
Wrong!
Use "the" when the speaker means a particular window in the situation.
6He returned after ............... hour.
Wrong!
Use "an" before the vowel sound at the beginning of "hour".
7This is ............... answer to the problem that our teacher gave us.
Wrong!
Use "the; the" because both nouns refer to specific things in the situation.
8Which is ............... longest river in the world?
Wrong!
Use "the" before a superlative adjective such as "longest".
9He is ............... close friend of mine.
Wrong!
Use "a" before the singular countable noun phrase "close friend".
10I went to ............... school to see the principal.
Wrong!
Use "the; the" because the sentence refers to a particular school and its particular principal.
11She is ............... dancer married to a singer.
Wrong!
Use "a; a" because both people are introduced as nonspecific singular countable nouns.
12December is ............... coldest month.
Wrong!
Use "the" before a superlative adjective such as "coldest".
Done.
Score: 0/12
Answers
- The world is a happy place.
- She is an accomplished dancer.
- Where is the hat that I brought from London?
- Aluminum is a useful metal.
- Would you open the window, please?
- He returned after an hour.
- This is the; the answer to the problem that our teacher gave us.
- Which is the longest river in the world?
- He is a close friend of mine.
- I went to the; the school to see the principal.
- She is a; a dancer married to a singer.
- December is the coldest month.

