We are going the right direction now--I can see the main road up ahead． [ ] A．in
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We are going ________ the right direction now－-I can see the main road up ahead．
[]A．in
B．on
C．at
D．of
试题答案
答案：A
We are going ________ the right direction now－-I can see the main road up ahead．
[]A．in
B．on
C．at
D．of
答案：A