(2019苏州)Love your parents ________ they are alive. Don't wait until it is too late.
A.while B.though C.because D.unless
难度: 困难查看答案及解析
(2019安徽)Our business won't improve ________ we offer better services to our customers.
A.because B.unless C.after D.since
难度: 简单查看答案及解析
(2019滨州)Emily, you're playing video games again！Study hard，________ you will fail in the coming exam.
A.then B.so C.and D.or
难度: 简单查看答案及解析
(2019连云港)________ we didn't win the basketball game, we were satisfied with our hard work.
A.If B.Though C.Since D.Because
难度: 简单查看答案及解析
(2019天水)I tried calling you, ________ your phone was out of service.
A.and B.but C.so D.or
难度: 简单查看答案及解析
(2019盐城改编)I've wanted to read Peter Pan for long, ________ today I finally borrowed the book from the library.
A.or B.but C.and D.so
难度: 简单查看答案及解析
(2019天津改编)She was tired, ________ she continued her work.
A.so B.and C.but D.or
难度: 中等查看答案及解析
(2019邵阳改编)Let's go climbing Langshan Mountain this Saturday ________ the weather is fine.
A.though B.if C.unless D.because
难度: 中等查看答案及解析
(2019石家庄40中二模)Mr.Smith didn't give us a lecture ________ he was ill in bed.
A.until B.though C.because D.unless
难度: 简单查看答案及解析
(2019石家庄44中二模)He ate a lot and did little exercise ________ he gained 10 pounds in a month.
A.but B.or C.and D.so
难度: 中等查看答案及解析
(2019石家庄41中一模)I didn't pass the exam ________ I worked hard.
A.since B.unless C.though D.whether
难度: 简单查看答案及解析
(2019承德县一模)It's polite to avoid making noise ________ you're eating.
A.unless B.until C.after D.when
难度: 简单查看答案及解析
(2019河北省保定市莲池区二模)She didn't go to swim ________ she finished her homework.
A.while B.when C.until D.before
难度: 简单查看答案及解析
(2020原创)I need your help to pick out a shirt for me, the black one ________ the white one?
A.or B.so C.and D.but
难度: 中等查看答案及解析
(2020原创)I don't have any experience in this task ________ I come here. I am a green hand.
A.if B.unless C.before D.while
难度: 中等查看答案及解析
易错题The words “racecar”， “kayak” and “level” are the same ________ they are read left to right or right to left.
A.since B.though C.unless D.whether
难度: 简单查看答案及解析
易错题I'm sorry, ________ I won't be able to come tonight.
A.for B.and C.but D.then
难度: 简单查看答案及解析
创新题Plants take in carbon dioxide ________ then turn it into oxygen in the air.
A.but B.although C.unless D.and
难度: 简单查看答案及解析
(2019温州)Adam has been working in the hospital ________ he left school.
难度: 中等查看答案及解析
(2019江西改编)The film seems interesting ________ we all want to see it.
难度: 简单查看答案及解析
(2019岳阳改编)The toys are really old, ________ I still want to keep them.
难度: 简单查看答案及解析
(2020原创)You may do the survey yourself ________ work with someone else together.
难度: 简单查看答案及解析
(2020原创)I respect my parents, ________ sometimes I just can't agree with their old opinions.
难度: 简单查看答案及解析
(2019乐山改编)Bike sharing is very useful in our daily life a________ it still has some disadvantages.
难度: 简单查看答案及解析
(2020原创)The soup tastes terrible b________ I put too much salt into it.
难度: 简单查看答案及解析
(2020原创)W________ my mom and I were talking about my father's birthday surprise, he came in.
难度: 中等查看答案及解析
(2020原创)My parents were not at home, ________ I had to look after my 5yearold sister.
难度: 中等查看答案及解析