53._________A. WhenB. AsC. WhileD. During

He walked across the meeting room ______ every one looking at him.A．withB．asC．whileD．when

______ I accept that the plan is not perfect, I do actually like it.A．WhenB．SinceC．WhileD．

Our products are displayed in Stand B22,______you will find me during office hours.A．whenB

Our products are displayed in Stand B22,______you will find me during office hours.A．whenB

The couple had no sooner got to the station_____the coach left.（2009)A．whenB．asC．untilD．th

The ants, hardworking ____ they are, have their times for play.A: whenB: asC: although