The research is so designed that once________nothing can be done to change it.
#5001
A
begins
B
having begun
C
beginning
D
begun
推荐题目
A theme park featuring Hans Christian Andersen’s fairy tales will be built and open to the public in Shanghai during the World Expo, which is ______ on May 1 this year in the city.
#4806
A
scheduling to start
B
starting
C
scheduled to start
D
to being started
.What some teenagers don’t realize is ____ difficult life can be if they get addicted to drugs.
#4789
A
how
B
what
C
that
D
why
Our football team’s ____ has been excellent during the whole year.
#4826
A
demand
B
master
C
history
D
performance
.If _____,the experiment will be successful.
#4718
A
carefully doing
B
it done carefully
C
carefully done
D
doing carefully
When his dad died, he felt his world had turned upside – down.
#4538
A
in case
B
as if
C
so that
D
even though