例句與造句

1. They used to go upstairs together on tiptoe, each with a candle, and on the third landing exchange reluctant good-nights .
   他倆常常各自擎著蠟燭，躡著足尖，一同上樓，在第三層樓梯平臺上，依依不舍地互道晚安。
2. At the begining of the 20th century , about a third land of china ( ) by forests
   二十世紀初，中國三分之一的土地被森林所覆蓋。
3. It's difficult to find third land in a sentence. 用third land造句挺難的