Millie’s eyes ________ dark brown and her hair ________ black.

The university estimates that living expenses for international students________around $8,450 a year，which________a burden for some of them.                     (2013·湖南，33)

Tom felt that he himself , rather than the girls,      for the failure of the football match.

--Why are your group so happy? --Our group _______ theirs in the oral English competition.

One of Marx’s works _____written in English in the 1860s.