________ 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
In the past, officials have criticized American intelligence services, __________ they relied too heavily on technology.
#97048
A
to say
B
saying
C
said
D
say
Mary couldn’t make herself ________ attention to because her classmates made so much noise.
#96210
A
pay
B
to pay
C
paying
D
paid
________in a heavy traffic jam in a taxi while you are hurrying to the airport is quite an unpleasant experience．
#95441
A
Having caught
B
Being caught
C
Caught
D
Having being caught
.Not ______ beautiful, the building is ______ now.
#97021
A
looking, being built
B
looked, being built
C
being looked, building
D
looking, built