A .
换为陈述句看:
this problem is the one the teacher explained last week.
this problem作了explain的宾语,特指the teacher解释的问题,所以是the one.
祝你假期愉快!加油!不明白再问!
A .
换为陈述句看:
this problem is the one the teacher explained last week.
this problem作了explain的宾语,特指the teacher解释的问题,所以是the one.
祝你假期愉快!加油!不明白再问!