________ 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 Shanghai Expo has had a major impact upon China. It is the first World Expo _________ in a developing country in the event’s 159-year history.
#96552
A
having been held
B
to hold
C
being held
D
to be held
Taking this kind of medicine, if ________, will do harm to health.
#90760
A
continue
B
continued
C
to continue
D
continuing
The 2012 Olympics ________ in London is expected to attract millions of visitors from home and abroad.
#95949
A
to hold
B
to be held
C
held
D
to be holding
I was told that there were about 50 foreign students __________Chinese in the school, most __________were from America.
#94175
A
study；of whom
B
study；of them
C
studying；of them
D
studying；of whom
After hearing the bad news, Susan found herself of it from time to time while at work.
#91583
A
to think
B
thinking
C
though
D
having thought