— Look! The light is still on in our teacher’s office.— Probably she ______ her work yet.
一season in Beijing you like best? 一I like autumn best. It’s cool and sunny.
Who _____________________, David or his brother?
Listen! Tom ____________in his room.
Miss Li often __________ on Sundays, but last Sunday she ______ a farm.
The students of our classsome flowers in the garden next weekend.