--- How about going to Hainan by plane?--- We’d better not, the cost, l feel nervous at such a high altitude.
Both of the rules are broken. I want to buy a ______ one.
--- Which is the smallest number of the four? --- _________.
Please write down the new words in the text of _______. A. Lesson Eleven B. the Lesson Eleven C. Lesson Eleventh
_______ of people in the world are sending information by E-mail ever day.
About _______ of the surface of the earth _______ covered with water.