精英家教網 > 高中英語 > 題目詳情
If       unsolved, the problem of food safety may lead to more serious results.
A．having leftB．to leaveC．leftD．leaving
C

試題分析：句意：如果食品安全問題被任由不解決，就會導致更嚴重的后果。這是一個狀語從句的省略句，完整的句子是：If the problem of food safety is left unsolved，當主從句的主語一致的時候，可以省略從句的主語和be動詞，選C。
練習冊系列答案
相關習題

科目：高中英語 來源：不詳 題型：單選題

Not until the woman was out of work again two months ago _______ going to attend a training class.
A．had she consideredB．did she consider
C．she consideredD．she had considered

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Only after Ann read her essay the second time       the spelling mistake.
A．did she noticeB．she noticeC．does she noticeD．she has noticed

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

His mind went so blank that little________ down for the first ten minutes in the test.
A．he wrote B．he was written C．did he write D．was he written

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

. Not only ___ given to people to find jobs, but also medical treatment will be provided for people who need it.
A．will help be B．help will beC．is helpD．help is

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

It was really noisy in the workshop. Not until ______ at the top of my voice ______ to look at me.
A．did I shout; he turnedB．had I shouted; had he turned
C．did I shout; did he turn D．had I shouted; he turns

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Maybe you have been to many countries, but nowhere else _______ a more beautiful palace.
A．can you findB．you could findC．you can findD．could you find

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

On top of the mountain ______, which was built 2,000 years ago.
A．a tower standsB．stands a tower
C．standing a towerD．does a tower stand

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The flowers his friend gave him will die unless _________ every day.
A．wateringB．wateredC．is wateredD．waters

查看答案和解析>>

同步練習冊答案