Expo 2010 Shanghai China will offer ____ wonderful opportunity for ____ cross - culture dialogues.
#4793
A
a;不填
B
a; the
C
不填;the
D
the;不填
推荐题目
To their great relief, the missing child returned home, ______, after an absence of two weeks.
#4920
A
felt tired and sound
B
tiring and soundly
C
feeling tired but soundly
D
tired but sound
Edward, you play so well. But I ______ you played the piano. 
#5038
A
didn’t know
B
hadn’t known
C
don’t know
D
haven’t known