The research is so designed that once _____ nothing can be done to change it.
#95029
A
begins
B
having begun
C
beginning
D
begun
推荐题目
--____________?--He is tall and strong.
#94975
A
What do you think of your monitor
B
How about your monitor
C
What is your monitor like
D
How do you find your monitor
It remains________ whether Jim will be fit enough to play in the finals.
#92586
A
seen
B
to be seen
C
seeing
D
to see