【C19】A．sentB．lentC．offeredD．owed

He owed his success to luck more than（)capacity.A onB toC inD at

A．because ofB．due toC．sinceD．owing to

My boss ordered that the legal documents____to him before lunch.（2012)A．be sentB．were sent

It is essential that these papers ___________ in time.A. are sentB. be sentC. will be s

_________(60)A.according to B.owing to C.dueto D.

_________(60)A.according to B.owing toC.dueto D.w