Question

"-----sing quite well when they were small"​

Answer 1

Answer:

She sings quite well they were small

Answer 2

The correct sentence is: They used to sing quite well when they were small.

• Here, in the given sentence, it has been mentioned that the people who are being talked about here used to sing very well that is they had good vocal skills.
• Their skills were good when they used to be kids or when they were small.
• But now it seems that due to less practice, they have lost their singing skills.
• The words 'used to sing' means that they sang in the past.
• Here, we can break down the verb as used+to(preposition)+ infinitive.
• Hence, The correct sentence is: They used to sing quite well when they were small.