【正文】
interesting It is/has been+一段時(shí)間 +since+一般過(guò)去時(shí)的句子 ” I have studied in this school for five years.(改為同義句 ) / . since I studied in this school. It is five years It’s been five years Ⅰ. 根據(jù)句意及漢語(yǔ)提示寫(xiě)單詞 used to be (幽默的 ),but now he is strict. (沉默的 ).The baby is sleeping. studies hard and he always gets good (分?jǐn)?shù) )on the exams. brother often helps other people,that is to say,he is