【简答题】Add the suffix "-er" to the words in the box. Then complete the sentences below with the words newly formed. 后缀 -er 加在某些动词、名词或形容词后表示"有......特征的人或物"、"在......工作或居住的人"、"以 ......为业的人"等意思。如 foreign+er → fo...
【简答题】Please fill in the blanks with what you hear. 请根据所听内容填空。 Water is 1) __________ . We all need water. Most people drink about two liters every day. Water helps us stay clean, cook and 2) __________ foo...