问题描述：
问一下新概念英语中的 将来时态的填空
1 I-----( save) $50 a month and I -----( start) in January.So by the end of the year I will have saved $600.
2 We’d better wait till 15 December .David ------(have)his exam by then,so he will be able to enjoy himself.
3 by the end of this year he ----(teach) for thirty years.
4 by this time next year,we ---(do) business with each other for 10 years.
5 by the time you get home I ------(clean) the house from top to bottom.
大家说下看看 是看到什么关键字吗?
1 I-----( save) $50 a month and I -----( start) in January.So by the end of the year I will have saved $600.
2 We’d better wait till 15 December .David ------(have)his exam by then,so he will be able to enjoy himself.
3 by the end of this year he ----(teach) for thirty years.
4 by this time next year,we ---(do) business with each other for 10 years.
5 by the time you get home I ------(clean) the house from top to bottom.
大家说下看看 是看到什么关键字吗?
问题解答：
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