單數/復數名詞傻傻分不清楚？3種不規則型態一次搞懂！
1.Economics is/are very important. 2.The children is/are asleep. 3.The fish is/are very beautiful 上面這三句，該分別用is還是用are？ 答案是i…
Irregular unchanging nouns
1.Economics is/are very important. 2.The children is/are asleep. 3.The fish is/are very beautiful 上面這三句，該分別用is還是用are？ 答案是i…