Viết câu tương đương
1.She eats more chocolate than I
I..................................................................................................................
2.Nam keeps forgetting his homework.
Nam is........................................................................................................
3.Keeping the environment clean is very important.
It's...................................................................................................................
4.No one helped Lan to do the homework.
Lan.................................................................................................................
5.It's three years since I last spoke to her
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6.Tam doesn't type as fast as she used to.
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