He hasn't written to us_______ he left.
Chọn đáp án D
He stole, not_______ he wanted the money, _______ because he liked stealing.
Not everybody thinks the building is ugly_______, some people say it looks marvelous.
He took the food eagerly, _______ he had eaten nothing since dawn.
Business has been very bad this year_______, we have had to close one of our factories.