It’s hard for us to make a choice, which means we have not decided _____.
| A．to take a step | B．to take which step | C．which step to take | D．to take what |
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It’s hard for us to make a choice, which means we have not decided _____.
| A．to take a step | B．to take which step | C．which step to take | D．to take what |
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