按要求改写下列句子每空一词

题目

按要求改写下列句子每空一词
Everyone should give back the books on time(改为被动语态句）
       The books _____  _____  _____ back on time
   2.He has worked in the school
for five
years 对划线部分提问
 _____  _____has he worked in the school?
 
for five years是划线句

答案

答案：
1.sould be given
2.How long