按要求做題。
l. It is three year since he died.（同義句轉(zhuǎn)換）
  He has____ for three years.
2．He goes to the mall once a week.（對劃線部分提問）
________________________________________________
3．I have watered the plants already.（一般疑問句）
______________________________________________________
l..  been dead
2.  How many times does he go to the mall in a week?
3.  Have you watered the plants yet?
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