－I don’t know
－Because he has to look after his mother.
| A．Why he is leaving | B．why is he leaving |
| C．whether he will leave | D．what is he leaving for |
－I don’t know
－Because he has to look after his mother.
| A．Why he is leaving | B．why is he leaving |
| C．whether he will leave | D．what is he leaving for |
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