55. All the students envied him _____ having succeeded in the TOFEL test.
._____ the chapter four times, I finally understood the author's theory.
Ann ______ here any more.She left last month.
The conference aims to develop business and let people think about _____ they can have a positive influence on the planet.
—Can I ask you a few straightforward questions about yourself? —No problem.I like ______ when people are open and direct.
They went on well at first but eventually everything ______ they had worried about happened.