he thought he was helping us with the work, he was actually in the way.
A.Although B.Unless
C.Because D.When
Before Tom left home, his mother kept telling him to _______ his manners at the party.
A.notice B.mind C.watch D.care
（2015·江苏）Much time ________sitting at a desk, office workers are generally troubled by health problems.
A.being spent B.having spent
C.spent D.spending
By reading the story, you may understand ______ to be successful.
A.it takes what B.you take what C.what takes you D.what it takes
Only if a teacher gives permission _________ to enter the room.
A.a student is allowed B.is a student allowed
C.does a student allow D.a student allowed
The education of _______young is always _______ hot and serious topic in modern society.
A. the; / B. a; the C. /; the D. the; a
