---Did you have _______fun in Australia?--- Sure. It was ___________ unforgettable experience.
#9959
A
a; an
B
不填；the
C
the; an
D
不填； an
推荐题目
The invention of_________ paper was a great contribution to________human civilization.
#10000
A
a;a
B
the;the
C
/;/
D
the;/
.There are over 58000 rocky objects in _______space，about 900 of which could fall down onto ______earth。
#8261
A
the；the
B
不填；the
C
the； 不填
D
不填；不填
This is our contribution to ________ world of the 21st century, ________ world of independence and mutual understanding.
#8323
A
the; /
B
/; a
C
a; the
D
the; a
An accident happened at________crossroads a few meters away from________bank.
#7736
A
/；a
B
a；a
C
/；the
D
the；/
Liu Yang is ________ first woman astronaut in China who reached ________ space.
#7835
A
不填；the
B
the；不填
C
the；the
D
a；a