---______ the farmers discovered the entrance to the secret cave in the valley?--- Totally by chance.
—May I move your bag a little and take this seat? —___.
_____ , I will assign to you as little homework as I can, but it is a fantasy nowadays. A. If possible B. If is possible B. If possibly D. If its possible
Mary is going to quit her job because she is tired of _____ by her boss every day.
I met Jennifer in the street _____ and she told me she would go to study abroad next month.
What we teach in the classroom should ______ students’ need in their studies..