New books have been given out to the students, _______is happy with the books.
The sunlight came in____________ the windows in the roof and lit up the whole room.
The harder you work,____________.
--Do you like the material?--Yes, it ___________ very soft.
--Where is Xiao Wang?--I don’t know. He__________ be in the library.
Bread and butter____________ for breakfast in many Chinese homes nowadays.