Although everything seems to have been taken into consideration， accident can happen when the astronauts walk in space．
#9795
A
不填；the
B
an；the
C
the；the
D
an；不填
推荐题目
As you know, I’m still buried in books at ____school you are so familiar with.
#8277
A
the
B
a
C
/
D
an
Carl is studying food science at college and hopes to open up meat processing factory of his own one day.
#7687
A
/ ; a
B
/ ；the
C
the; a
D
the; the
—What about_____ concert?—Coco Lee’s concert? To be honest, to buy _____ ticket of hers is out of the question at the moment.
#10118
A
the; the
B
a; a
C
a; the
D
the; a
——How about____Christmas evening party?——I should say it was ____ success.
#8873
A
a;a
B
the;a
C
a;/
D
the;/