1. Could you give me pen, please? (Correct)(Incorrect)
Could you give me a pen, please? (Correct)
2. He was here hour ago. (Correct)(Incorrect)
He was here an hour ago. (Correct)
3. Madrid is capital of Spain. (Correct)(Incorrect)
Madrid is the capital of Spain. (Correct)
4. Do you like chocolate? (Correct)(Incorrect)
Do you like chocolate? (Correct)
5. We had dinner at seven o'clock. (Correct)(Incorrect)
We had dinner at seven o'clock. (Correct)
6. My son is at airport now. (Correct)(Incorrect)
My son is at the airport now. (Correct)
7. It's going to rain. Take umbrella. (Correct)(Incorrect)
It's going to rain. Take an umbrella. (Correct)
8. Maria is wearing nice gray suit today. (Correct)(Incorrect)
Maria is wearing a nice gray suit today. (Correct)
9. Peter is friend of mine. (Correct)(Incorrect)
Peter is a friend of mine. (Correct)
10. Where is key? (Correct)(Incorrect)
Where is the key? (Correct)