单项选择题
A.none B.something C.no one D.nothing
They（）the book all the morning.A.are readingB.have read...
单项选择题They（）the book all the morning.
A.are reading B.have read C.had read D.have been reading
Madame Curie’s（）encouraged many women to study science，...
单项选择题Madame Curie’s（）encouraged many women to study science，and many of them（）
A.succeeded；succeeded B.success；success C.succeeded；success D.success；succeeded
