now that you have finished your work,you may go and have a rest.这句话中的now that 能换成For

题目

now that you have finished your work,you may go and have a rest.这句话中的now that 能换成For
for是不是表示原因的时候，不能放在句首

答案

for 连接原因状语从句不能在句首.now that由于,因为,既然.这里now that =since不能换成for.
本句意思：既然你已经完成了工作,你可以去休息一会儿.