You____practise speaking English every day.A.should to B.ought C.ought to D.oughtto be
问题描述：
You____practise speaking English every day.A.should to B.ought C.ought to D.oughtto be
答
选C是正确．A选择多了to不对，去掉册正确；B少了to；D有be，但是居句意，没有被动的意思，而practise也是原形，所以第四个选项也不对．
答
选C,A中应是should,B中应加to,D中去掉be.