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

相關(guān)習(xí)題
 0  97237  97245  97251  97255  97261  97263  97267  97273  97275  97281  97287  97291  97293  97297  97303  97305  97311  97315  97317  97321  97323  97327  97329  97331  97332  97333  97335  97336  97337  97339  97341  97345  97347  97351  97353  97357  97363  97365  97371  97375  97377  97381  97387  97393  97395  97401  97405  97407  97413  97417  97423  97431  151629 

科目： 來源：不詳 題型：單選題


.  Three-fourths of the buildings ______.
A．was destroyedB．is destroyedC．were destroyedD．has been destroyed

查看答案和解析>>

科目： 來源：不詳 題型：單選題


. Early to bed and early to rise ______ a man healthy, happy and wise.
A．makingB．to makeC．makeD．Makes

查看答案和解析>>

科目： 來源：不詳 題型：單選題


. Mathematics ______ the language of science.
A．isB．has beenC．a(chǎn)reD．have been

查看答案和解析>>

科目： 來源：不詳 題型：單選題


.  None of them ______ my friends.
A．isB．a(chǎn)reC．wasD．has been

查看答案和解析>>

科目： 來源：不詳 題型：單選題


. Getting to other planets or to the moon _____ many problems.
A．involveB．involvesC．involvingD．to involve

查看答案和解析>>

科目： 來源：不詳 題型：單選題


. In that country, the rich ______ richer, the poor, poorer.
A．becomeB． has becomeC．becomesD．is becoming

查看答案和解析>>

科目： 來源：不詳 題型：單選題


. Not one in one hundred children exposed to the disease ______ likely to develop it.
A．should beB．must beC．isD．a(chǎn)re

查看答案和解析>>

科目： 來源：不詳 題型：單選題


．Mother ______ us stories when we were young .
A．was used to tellB．is used to tellingC．used to tellD． used to telling

查看答案和解析>>

科目： 來源：不詳 題型：單選題


Every possible means ____, but none ____ successful．
A．has tried; has provedB．tried; proves
C．has been tried; provesD．is being tried; is proved

查看答案和解析>>

科目： 來源：不詳 題型：單選題


.More patients  ＿＿　in hospital this year than last year.
A．treatedB．have treatedC．had been treatedD．have been treated

查看答案和解析>>

同步練習(xí)冊(cè)答案