The radiation of uranium was then regarded as_____secret of_____nature.
#10089
A
a;the
B
a;a
C
the;the
D
a;/
推荐题目
________passenger plane crashed near Gazvin, Iran and all 168 people on________board were killed.
#9805
A
A; a
B
A; /
C
The; the
D
The; a
Rock climbing is ___ great fun. You will get close to ____ nature and take adventures at the same time.
#8613
A
/; /
B
a; /
C
a; the
D
/; the
Being able to afford ______ drink would be ______ comfort in those difficult times.
#8570
A
the; the
B
a; a
C
a; 不填
D
不填; a
Don’t mind too much about mistakes. They are natural part of learning.
#9830
A
不填；不填
B
the; a
C
不填; a
D
the; the