.--Look, there are ______number of ducks swimming in the river.--Yes. ______number of them is over ten.
--- Mary doesn’t remember when and where she this skirt.
- --What's your brother? - --He's a teacher. He art at a school。
--Itwasabeautiful, cloudless sunnydayattheendsummer.
--- What did you do in your class meeting yesterday? --- We talked about ____________.
--- Look! Mary is sleeping. --- Why not ________ the TV and close the door for her?