[問題] 幾個有關於英文文法的問題??

[emilychen6 (TOO SAD TO SAY...)]

I've been a litte bit confused, help me plz!!!!thanks a lot~~~~

1. All possibe means _______ (have/has) been adopted.
2. The four boys each ______ (make) their own decision.
3. Up to steps _______ (move) the procession.
   (how to traslate this one into Chinese???)



Can anybody give me these answers and tell me why??THX.....

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