(2013·湖南，28)Do not let any failures discourage you, for you can never tell______close you may be to victory.
A．how B．that C．which D．where
(2013·北京，31)________makes the book so extraordinary is the creative imagination of the writer.
A．That B．What C．Who D．Which
(2013·烟台高三联合测试)As the train ran faster and faster，the lights of the city were soon ________.
A．left off B．left alone
C．left behind D．left out
(2013·重庆部分学校高三联考)At the edge of the grass，there's a sign saying“________ the grass”．
A．Keep up B．Keep away
C．Keep off D．Keep back
(2013·南京部分学校高三联考)Suddenly I realized that I had stayed here long and ________ to say goodbye to the host.
A．raised B．rose C．lifted D．stood
(2013·成都部分高中高三质检)How can Margot ________ from her illness in this room when it is so dirty and dusty？It will only make her worse.
A．suffer B．recover C．discover D．return
