About _______ gene-targeting drugs are already in testing pipeline. It won’t be long ______ they are put into effect.
#14337
A
two dozen; before
B
two dozens; that
C
two dozens of; before
D
dozens; that
推荐题目
Sometimes the ______ between the reality and the dream is so great that it produces disappointment.
#12128
A
combination
B
application
C
contrast
D
disapproval
So original is this cartoon designed that it ________ a large number of children inland.
#12868
A
adapts to
B
applies to
C
appeals to
D
attends to
While income worry is _______ rather common problem of the aged, loneliness is another problem that _______ aged parents may face.
#11897
A
a; the
B
the; /
C
a; /
D
the; the
Hardly could he _______this amount of work in such a short time.
#13463
A
get through
B
get off
C
get into
D
get down