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since解释为既然、由于时Sinceyou(eat)atyourfriend'shometomorrow,yououghttotakesomegiftsforthehosts.
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since解释为既然、由于时
Since you______(eat) at your friend's home tomorrow ,you ought to take some gifts for the hosts.
Since you______(eat) at your friend's home tomorrow ,you ought to take some gifts for the hosts.
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Since you___eat___(eat) at your friend's home tomorrow ,you ought to take some gifts for the hosts.
从句应该用一般现在时态代替将来时态.
从句应该用一般现在时态代替将来时态.
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