Although everything seems to have been taken into consideration, ____ accident can happen when the astronauts walk in _____ space．
#8828
A
不填；the
B
an；不填
C
the；the
D
an；the
推荐题目
In most western countries, on April Fool’s Day, people often play __ ___ trick on each other; children especially have great ______ fun.
#8576
A
a; a
B
the; the
C
/; a
D
a; /
The tourists were struck by the beauty of _________ nature and then they stayed for _________ third day.
#10490
A
the; the
B
/; a
C
the; /
D
/; the
.As it has never been held in Asia, ___2010 Shanghai World Expo will be honour for all of the Asians.
#9815
A
the; an
B
不填; an
C
the; the
D
不填; the
— Do you know ___________ woman in pink over there?— Yes. She is ___________ office worker of Hilton Hotel.
#8836
A
a; an
B
the; the
C
a; the
D
the; an
—Stay a bit longer，please. It's been such ________fun having you here.—Thank you，but I've got ________early start tomorrow morning.
#8266
A
/；the
B
a；an
C
/；an
D
the；an