________ is as much an art as it is ________ science.
#95530
A
Cloning; a
B
Clone; /
C
To clone; the
D
Cloning; the
推荐题目
The two naughty boys were quiet when eating, and they were accustomed to ______ at meals.
#91019
A
talk
B
talking
C
not to talk
D
not talking
The boy cheated in the English examination so he deserved ________.
#96103
A
being punished
B
to be punished
C
to punish
D
having punished
The heavy snow lasted for a week, _____ a serious traffic confusion in the whole area.
#94158
A
causing
B
caused
C
having caused
D
being caused
No matter how low you consider yourself, there is always someone looking up to you they were that high.
#96289
A
to wish
B
to have wished
C
wishing
D
having wished
The parents were unsettled for the first few days, about their son’s safety.
#95256
A
having worried
B
to worry
C
being worried
D
worried