------Do you know the woman who is looking____ over a patient? ------ Yes. She is one of the best ____ in our hospital.
Kate knew nothing _______ her mother told her.
There are many kinds of pollution around us, _________ air pollution, noise pollution and light pollution..
You may ________the story book for two weeks.
! Our grandpa is sleeping.
Doing lots of listening practice is one of best ways of becominggood language learner.