Women , to air pollution before giving birth to a baby, are more likely to give birth to children with heart defects, researchers reported on December 29.
---What kind of house would you like? ---I’d like____ with a swimming pool at the back of ______.
Pointing to the house on ____roof grew lots of bush,the old man told me that was ___I would stay.
Men and women should be treated equally according to the law, but _____there is great room for improvement.
---Could I have a window seat ? ---All right. Your flight _____ boarding at Gate 18 at 2:15.
The report examines teaching methods _______in the classroom.