2. The windows        for years. They are very dirty (clean)

窗戶多年沒清洗過,它們非常臟。

2. have not been cleaned后一句是一般現(xiàn)在時,加上前面一句中的for years ,表明本句要用現(xiàn)在完成時。主語為復(fù)數(shù)名詞,因此助動詞用have 

題目來源:高考英語組合訓(xùn)練多項選擇+完成句子 > 組合訓(xùn)練53-54

練習(xí)冊系列答案
相關(guān)習(xí)題

科目:高中英語 來源: 題型:

2. The spokesman said at the conference that when the time was ripe,a new economic policy would be put into         .

   A. power   B. effect

   C. affection   D. sight

查看答案和解析>>

科目:高中英語 來源: 題型:

3.        energy under the earth must be released in one form or another,for example,an earthquake.

   A. Accumulated   B. Forbidden

   C. Reformed   D. Restored

查看答案和解析>>

科目:高中英語 來源: 題型:

10. Guilin treats visitors to mountains and rivers in different shapes and sizes;you        the beautiful scenery there (sure)

桂林用形狀各異的山水招待八方來客;你肯定會喜歡那里美麗的風(fēng)景。

查看答案和解析>>

科目:高中英語 來源: 題型:

7. It was more in sorrow than in anger that he criticized his        colleagues.

   A. premier   B. former

   C. primary   D. moral

查看答案和解析>>

科目:高中英語 來源: 題型:

7.       that people will think about themselves first when in trouble. (such)

這就是人性:在遇到困難時人們首先想到的是自己。

查看答案和解析>>

科目:高中英語 來源: 題型:

4. Two of the applicants will be employed to        in the development of new equipment.

   A. ripen   B. assist

   C. favour   D. hand

查看答案和解析>>

科目:高中英語 來源: 題型:

1. After three years' hard work,she had the qualification for        to that famous university.

   A. entry   B. entrance   C. admission   D. access

查看答案和解析>>

科目:高中英語 來源: 題型:

2. You should be confident enough with your own material so that the audience's interests and concerns,not the        outline,determines the format.

   A. source   B. notice   C. definition   D. presentation

查看答案和解析>>

同步練習(xí)冊答案