The number of the students in our school is about nine ____. ____ of them are boys.

Is_______ necessary to learn another language? — I think so.

After visiting different countries, I found _______ very important to learn about table manners.

If you want to save money, take the escalator_____ the second floor and turn right.[ ]

To improve his English,he spends _______ one hour a day listening to English programmes. [ ]