—Liu Xuan, did you see the Denmark’s famed “Little Mermaid” sculpture in Shanghai Expo?—No, I didn’t. I _______ it twice in Denmark.
#102917
A
have seen
B
were seeing
C
had seen
D
saw
推荐题目
—Are these seats available?—Sorry, sir. The seats ________.
#99452
A
have reserved
B
are reserved
C
reserved
D
are reserving
  In the last few years thousands of films ________all over the word.(2011·天津)
#99051
A
have produced
B
have been produced
C
are producing
D
are being produced
I should say sorry to you but I ____trouble.    
#102836
A
did not mean causing
B
did not mean to cause
C
meant causing
D
meant to cause