Choose the correct article: a/an/the1) I wrote her number on ....

Choose the correct article: a/an/the
1) I wrote her number on .... back of this sheet.
2) Many people listen to.... radio at nights.
3) Mike's father works as ..... electrician.
4) I love to stare at .... moon all night long.
5) Ben has .... terrible headache.
6) Please close .... window. It's cold in here.
Complete the sentences.
1) I want to travel to.... coast.
2) She told that she studied in .... .
3) John likes to play.... .
4) Сan anyone swim across.... ?