常見例句And there isa fire and my house burnsto the ground. 而我的房子被一場大火夷爲平地。There isa table and four chairsin the room. 房間裡有一張桌子和四張椅子。Simple and plain living isa fine quality. 生活簡單樸實是一種好品質。Fifty kilometres isa short distance by air. 乘飛機五十公裡不算遠。TEDA isa new economic growth point of Tianjin. 天津開發(fā)區(qū)是天津市一個新的經濟增長點。Smith isa very good English teacher. 史密斯先生是個很好的英語教師。 返回 ISA