作业帮1they have kept （）on this project for thrree years ( work )
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1they have kept （）on this project for thrree years ( work )
2the children will climb the hill if it ( ) tomorrow A won,t rain B didn,t rain Cdoesn,t rain D isn,t raining 3Neither his father nor he ( ) the island A has been to Bhas gone to C have been to Dhave gone to
2the children will climb the hill if it ( ) tomorrow A won,t rain B didn,t rain Cdoesn,t rain D isn,t raining 3Neither his father nor he ( ) the island A has been to Bhas gone to C have been to Dhave gone to
1 working ( keep doing sth )
2 C ( if 引导的从句是主将从现
3 A ( 主语是三单,排除C； 而HAS GONE TO 人不在这里,去了某地了）
加油!不明白再问!
2 C ( if 引导的从句是主将从现
3 A ( 主语是三单,排除C； 而HAS GONE TO 人不在这里,去了某地了）
加油!不明白再问!
1they have kept （）on this project for thrree years ( work )
可以这样说吗?We have received this project today and will work on
They have eaten this way for thousands of years.
They have( )us a lot of useful suggestions on this project.怎
She has kept this thing for two years=She has kept this thin
I have kept the photo（ ）I can see it every day for 20 years
组句 have ,millions ,dogs ,people ,for ,kept ,of ,years .
people have kept dogs for millions of years 为什么用have kept
They have been work hard over years.
（ ）the project,they have to stay there for another two weeks
They have been in this city ＿ three years ago.(A.for B.about
they have been married for fifty years