1 she / usually / wear trainers - wear high heels
She usually wears trainers, but today she is wearing high heels.
2 he / usually / watch TV - read a book
He usually watches TV, but now he is reading a book.
3 they / usually / wear blue shirts - wear green ones
They usually wear blue shirts, but today they are wearing green ones.
4 we / usually / go swimming - have a picnic
We usually go swimming, but today we are having a picnic.
Ответ: See above