Scientists say it will be five or six years __________ it is possible to test this medicine on humans.
#30743
A
after
B
before
C
since
D
when
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John felt very embarrassed ________ he entered the government hall.
#30995
A
for the moment
B
the first time
C
for the first time
D
at the moment
With the development of science,a computer is to a manager_______a gun is to a soldier.
#80072
A
as
B
what
C
that
D
when
It is widely believed that_______respects others will be respected
#34122
A
anyone
B
the person
C
whoever
D
who
They stood on the top of the high building, ________ they could see the whole city.
#34132
A
in that
B
in which
C
form it
D
from where