--- He looks so tired. What’s wrong? --- Nothing serious. He just stayed up last night, ___________his papers.
#93496
A
to prepare
B
having prepared
C
prepared
D
preparing
推荐题目
_______ that your resume works for you, I recommend writing it more like a proposal than a job description.
#90607
A
Ensuring
B
Ensured
C
Having ensured
D
To ensure
The element radium, ______ in the chemistry lab, gave off a blue light.
#95374
A
discovering
B
to be discovered
C
to discover
D
discovered
--- What’s reported in the news --- The earthquake yesterday is said _______ more than 5 hundred people.
#97622
A
to kill
B
that it is
C
to have killed
D
that it has killed
More and more carbon dioxide is being released into the air，________the more severe global warming effects.
#89528
A
contributed to
B
to contribute to
C
contributing to
D
to be contributed to
The children went back home from the grammar school, their lessons ________ for the day.
#91666
A
finishing
B
had been finished
C
finished
D
had finished