Choose a or an for each phrase. Don't use capital letters. Write the articles.
Write only articles.

1. opera

2. uncle

3. engine

4. owl

5. hungry hamster

tom turned his pockets inside out, however didn't found any cent. he appeared just at the end of a party and right away asked for a cup of tea and a peace of cake. and now, switch off the tape-recorders and take notes of what you heard. practice of playing the piano appeared to be not interesting as it usually is. i would like you to make the sound of tv set a bit quieter.

how much sugar do you need for the cake ? there aren,t many beans in the tin. are there many mangoes left ? i have got a lot of butter in the fridge. how many biscuits do you want ?  

supersonic  airplanes  will  fly  in  2100  above  earth.

people  will  communicate  the  method  oftelepathy.

there  will  not  be  wars  in  the  world.

all  will  be  absolutely  happy.

all  children  will  eat  a  chocolate  andcandies  only.

i  would  like  to  live  in  2100.

они слышат звуки биг бена каждую четверть часа.