问题描述：
we had our first glimpse of the snake.we______
a,saw it b,looked at it c saw it for a moment d started at it
为什么选 a ,而不是c
it was covered with coins .there were coins ___ it
a,in b,over c,under d,all over
为什么选d ...
a,saw it b,looked at it c saw it for a moment d started at it
为什么选 a ,而不是c
it was covered with coins .there were coins ___ it
a,in b,over c,under d,all over
为什么选d ...
问题解答：
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