Вставьте a/ an / some i have ….. good idea. that’s ….. interesting job! they have found ….. gold in that old mine. do the smiths have ….. yellow van? look! he’s having ….. sandwiches. he always likes ….. piece of chocolate. i have ….. homework to do for tomorrow. there’s ….. nice girl in the red car. would you like ….. milk with your cookies? how about ….. grapes?

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I have a good idea.
That's an interesting job!
They have found some gold in that old time.
Do the Smiths have a yellow van?
Look! He's having some sandwiches.
He always liked a piece of chocolate.
I have a homework to do for tomorrow.
There's a nice girl in the red car.
Would you like some milk with your cookies?
How about some grapes?