There have been my many changes in this area over the years（

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There have been my many changes in this area over the years（改为同义句）
Mr.Green was a doctor in the past .(改为同义句)
Mr.Green _______　＿＿＿＿＿＿　＿＿＿＿＿＿　doctor .
The government should do something to protect the endangered animals.（同义句转换）
The government should ________ _________ ________ __________ the endangered animals .

1 This area has changed a lot over the years .
2 used to be
3 take measures to protect

There have been many changes in this city in r___ years there have been many changes in ______（recently）years in the past few years there have been great changes in my ci There have been many d_ inour hometown over the years. ·In recent years there have been many changes,可否写成In recent There have been many changes in this place.这句中为什么用have?主语是什么 There have been many changes in this place. 这句中为什么用have?主语是什 in this area.over-----of the trees have been damaged in twen 这道题怎么回答：Have there been any changes in the weather over the There have been great changes in our city over the past five 英语翻译this term there have been great changes in the courses o there have been great changes in my hometown_________(resent