用since、 for 填空、、英语题.he's been waiting for you _______two hoursMarie has been living here _____2010The baby has been sleeping______3:00amI've been staying in Hong Kong____two weeksJohn has been studying French_____he was twelveI slep

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用since、 for 填空、、英语题.he's been waiting for you _______two hoursMarie has been living here _____2010The baby has been sleeping______3:00amI've been staying in Hong Kong____two weeksJohn has been studying French_____he was twelveI slep

用since、 for 填空、、英语题.he's been waiting for you _______two hoursMarie has been living here _____2010The baby has been sleeping______3:00amI've been staying in Hong Kong____two weeksJohn has been studying French_____he was twelveI slep
用since、 for 填空、、英语题.
he's been waiting for you _______two hours
Marie has been living here _____2010
The baby has been sleeping______3:00am
I've been staying in Hong Kong____two weeks
John has been studying French_____he was twelve
I slept only_____three hours last night
The Yang family has been living in the neighborhood_____May
Lucy has been talking on the phone______five minutes

用since、 for 填空、、英语题.he's been waiting for you _______two hoursMarie has been living here _____2010The baby has been sleeping______3:00amI've been staying in Hong Kong____two weeksJohn has been studying French_____he was twelveI slep
he's been waiting for you 【for 】two hours
Marie has been living here _【since 】010
The baby has been sleeping【since 】3:00am
I've been staying in Hong Kong_【for 】wo weeks
John has been studying French【since 】he was twelve
I slept only_【for 】hree hours last night
The Yang family has been living in the neighborhood【since 】May
Lucy has been talking on the phone_【for 】ive minutes

为你解答。
用法解释:since后是过去的某个时间点(如上周、1949年);而for则跟一段时间连用(如两个小时、十年)。
He's been waiting for you (for)two hours.
Marie has been living here (sinc)2010.
The baby has been sleeping(since)3:00am.<...

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为你解答。
用法解释:since后是过去的某个时间点(如上周、1949年);而for则跟一段时间连用(如两个小时、十年)。
He's been waiting for you (for)two hours.
Marie has been living here (sinc)2010.
The baby has been sleeping(since)3:00am.
I've been staying in Hong Kong(for)two weeks.
John has been studying French(since)he was twelve.
I slept only(for)three hours last night.
The Yang family has been living in the neighborhood(since)May.
Lucy has been talking on the phone(for)five minutes.

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for后加时间段,since后加时间点