Ⅱ Word study: Write the new words formed by adding the suffixes to the base words below. Then write what the new word means.
1. piano + ist =
2. Italy + ian =
3. independent + ce =
4. terrify + ic =
5. sail + or =

1. pianist; a person who plays the piano
2. Italian; a person from Italy or the language of Italy
3. independence; the state of being independent
4. terrific; very good or great
5. sailor; a person who works on a ship

Ⅰ Complete the sentences with the right forms of the following phrases.
be born for example learn about die out look up
1. They can also the history of tractors.
2. Many people have to the meaning of this word in the dictionary.
3. We can do many things on Earth Day. , we can go to school by bike rather than by car.
4. Early on the morning of August 19, 2022, Ted under a clear sky.
5. Many species of animals are in danger of .

1. learn about
2. look up
3. For example
4. was born
5. dying out

1. 句中需要表达“学习”关于拖拉机历史的内容，“learn about”符合句意，且在情态动词后用原形。
2. “look up the meaning of...”表示“查……的意思”，符合许多人通过字典查单词意思的语境，have to后接动词原形。
3. “for example”用于举例，前面说地球日能做很多事，后面以骑自行车上学为例，符合语境。
4. “be born”表示“出生”，根据时间“August 19, 2022”可知是过去时，主语Ted是第三人称单数，所以用“was born”。
5. “in danger of doing sth.”表示“有……的危险”，“die out”表示“灭绝”，符合许多动物种类面临灭绝危险的语境。