英语题,急急急

判断下列句子是否正确,不正确的请改正。1.Thedoorkeepsopened._____________________2.Jackistryingtohelpingm... 判断下列句子是否正确,不正确的请改正。
1.The door keeps opened.
_____________________
2.Jack is trying to helping me.
_____________________
3.I found my watch since a week.
_____________________
4.His parents heard the bad news in the radio.
_____________________
5.Did you bought a car last month?
_____________________
6.It’s worth to read the book.
_____________________
7.The house has costed £100,000.
_____________________
8.The sun rose in the morning.
_____________________
9.The moon rises at 7o’clock last night.
_____________________
10.Tom cannot decide already.
_____________________
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出雅6C
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您好!

以下是我的解析:

1.The door keeps open.【open 即可表状态 不能用opened】
2.Jack is trying to help me.【没有try to doing 此处根据意思是 try to do 努力做某事】
3.I have found my watch since a week ago./ I found my watch a week ago /
I have found my watch for a week .【since 用于完成时 有三种改法 建议选择改动最小的】
4..His parents heard the bad news on the radio.【telephone radio 等都用介词 on】
5.Did you buy a car last month?【did does do 等等在疑问句中 后面跟动词原形】
6.It’s worth reading the book.【be worth doing 固定词组】
7.The house has cost £100,000. 【cost是不规则动词,过去式和过去分词跟原形一样】
8.The sun rises in the morning.【没有具体时间 所以表示这类自然真理等用一般现在时】
9.The moon rose at 7o’clock last night. 【因为这句有了时间7:00 还有昨晚 所以一般过时】
10.Tom hasn′t decided yet ./ Tom cannot decide【否定句不用already 用 yet 也可去掉】

不懂可以追问哦
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中醫學生MM
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1.The door keeps opened.
The door is kept opened.

2.Jack is trying to helping me.
Jack is trying to help me.

3.I found my watch since a week.
I have found my watch since last week.

4.His parents heard the bad news in the radio.
correct.

5.Did you bought a car last month?
DId you buy a car last month?

6.It’s worth to read the book.
It's worth reading the book.

7.The house has costed £100,000.
The house costs £100,000.

8.The sun rose in the morning.
The sun rises in the morning.

9.The moon rises at 7o’clock last night.
The moon rose at 7 O'clock last night.

10.Tom cannot decide already.
Tome cannot decide.
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美丽人生的密码
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1.The door keeps open (open 本身就是形容词:打开的 keep+形容词:保持一种状态)
2.Jack is trying to help me. (try to do sth:试着做某事)
3.I found my watch a week ago. (前面是过去式,用过去的时间)
4.His parents heard the bad news from the radio. (hear sth from:从某处得知)
5. Did you buy a car last month? (提问词Did 后面的动词用原形)
6. It's worth reading the book.(worth doing sth:值得做某事)
7.The house has cost £ 100,000. (cost 的过去式和过去分词都是原形)
8.The sun rises in the morning. (第三人称单数 太阳早上升起是定理 用一般现在时)
9.The moom rose at 7o'clock last night. (昨天的事情用过去式)
10.Tom hasn't decided yet. (还没决定 ~)
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carine7
2012-10-04
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opened 改成 open 2 helping 改成 help 3 since 改成 after 4 in 改成 from 5 bought 改成 buy 6 worth 改成worthwhile 7 正确 8 rise 9 rose 10 already 改成 yet
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都有问题
追问
怎么改啊
追答
都是很简单的时态或用法的问题
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