欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

We are having a class get-together. It’s been twenty years        we graduated from high school.
A．beforeB．sinceC．a(chǎn)fterD．when
B
考查句型：It is/has been+時(shí)間段+since后用一般過去式，自從什么時(shí)候起已有一段時(shí)間了。故選B。
練習(xí)冊系列答案
相關(guān)習(xí)題

科目：高中英語 來源：不詳 題型：單選題

You will have to stay at home all day ______ you finish all your homework.
A．ifB．unlessC．whetherD．because

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The classroom is big enough for 25 students for normal use         you need more space for special activities.
A．onceB．becauseC．ifD．unless

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Have you seen the film “Titanic”, ________ leading actor is world famous.
A．isB．it’sC．whoseD．which

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

I had been puzzled over the problem for over an hour without any result,      all at once a solution flashed across my mind.
A．whileB．when
C．thenD．a(chǎn)s

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Liming speaks English well________he were an English boy.
A．so thatB．even thoughC．a(chǎn)s thoughD．now that

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Jack, try to learn some relaxation exercises and do them ______ you feel stressed.
A．for every timeB．every timeC．by the timeD．some time

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

She was moving out of her old apartment _______ she suddenly realized that the key to the new apartment wasn’t on her.
A．untilB．onceC．whenD．a(chǎn)s if

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

_____ you understand the rules of the game, you will enjoy it.
A．BeforeB．Even ifC．OnceD．While

查看答案和解析>>

同步練習(xí)冊答案