По моему в 1 -ом предложении опечатка,постараюсь исправить:
1. Kim bought a pair of nice shoes.
Who bought a pair of nice shoes ?
What did Kim buy?
What kind of shoes did Kim buy?
What did Kim do?
Did Kim buy a pair of nice shoes?
Did Kim buy a pair of nice shoes or boots?
How many shoes did Kim buy?
Kim bought a pair of nice shoes, didn't he?
2. She sold a sweater to a girl.
Who sold a sweater to a girl?
Who did she sell a sweater to?
What did she sell to a girl?
She sold a sweater to a girl, didn't she?
Did she sell a sweater to a girl?
Did she sell a sweater to a girl or to a boy?
Did she sell a sweater or a dress?