______ better in 2010 World Expo is the duty of every citizen in Shanghai. 
#96717
A
Being served
B
Serving
C
Serve
D
Having served
推荐题目
The killer insisted that she was defending herself when  _______.
#89826
A
attack
B
attacked
C
to attack
D
having attacked
Jack, who claimed ______ everything clearly, however, he told a lie.
#90533
A
to have heard
B
to hear
C
having heard
D
hearing
There are three eggs _______ by the hen_______ under the tree.
#96131
A
lied, laying
B
lay, lying
C
laid, lying
D
lain ,laying
She hurried back to her house, only ________ a lot of her jewels ________.
#95433
A
finding; robbed
B
finding; stolen
C
to find; robbed
D
to find; stolen