The village is far away from here indeed. It's _____ walk.
A、<span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium;">a four hour</span>
B、<span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium;">a four hour’s</span><br>
C、<span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium;">a four-hours</span><br>
D、<span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: -webkit-standard; font-size: medium;">a four hours’</span><br>
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