All her time _______ research, the scientist has no time for films.
At the age of 29, Dave was a worker, ________ in a small apartment near Boston and ________ what to do about his future. (2009湖南卷)
When they went into the shop and asked to look at the engagement rings, the girl brought out a cheaper one, _______ she had arranged with James.
The famous basketballer, _______ tried to make a comeback, attracted a lot of attention.
I saw some trees the leaves of _____ were black with disease.
Their problem today is somewhat similar to _____ they faced many years ago.