Don’t interrupt me. I ________ letters all morning and have only finished five.
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.
You can arrive in Beijing earlier for the meeting ____you don’t mind taking the night train.
We won’t ______for delivery if you pay now.