_____ these experiments were successfully completed would we think of going into humans.
#31522
A
If only
B
So that
C
Only if
D
Even if
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_____I saw the West Lake, I was struck by its beauty.
#79690
A
The first time
B
For some time
C
For the first time
D
At the first time
Monica promised to forgive Jason _______ he showed his actual deeds.
#33552
A
as if
B
in case
C
except that
D
on condition that
she tells him the truth now, he’ll simply keep on asking her until she does.
#33068
A
Unless
B
Once
C
If
D
Immediately