--- Did Tom’s parents go to the meeting yesterday?--- Yes, ________ of them did, but ________ spoke.
---There is somebody knocking at the door. Who________ it be? ---I’m not sure. It ________ be a postman.
_______ the teachers in the school is one hundred, and _______ of them are women teachers.
---Why did Suzy look so stressed when we saw her? ---Because she wondered________.
The second Sunday of May is ________ Mother’s Day. It’s ________ special day for children to show their love for their mothers.
—What can we do to prevent (避免)being ill? —We should do more exercise and eat a ________ diet to take good care of ______.