Look!The girls are singing.They like singing/like to sing.Eddie and Danny like to swim.
一般疑问句:Are the girls singing now?
Do they like singing?
Do Eddie and Danny like to swim?
Look!The girls are singing.They like singing/like to sing.Eddie and Danny like to swim.
一般疑问句:Are the girls singing now?
Do they like singing?
Do Eddie and Danny like to swim?