Articles English exercises online

Articles English exercises online. Choose the right articles to complete the following sentences in English. If it isn't necessary to use any articles, choose -.
Coal is sixty dollars ton at the moment.
Do you like wine? I don’t drink alcohol.
Have you done washing-up?
Would like cup of coffee?
He gave me diamond necklace.
I like tea with milk in it.
I saw her when she was going to work.
I stayed at home last night and listened to radio.
I think it’s made of glass.
I think guitar is one of the easiest instruments to play.
I’ll have dozen eggs and loaf, please.
It’s fast car. Its top speed is 120 minutes hour.
There’s someone at front door.
When he was nineteen, he joined army.
Would mind waiting for couple of minutes?