Distinguished guests and friends, welcome to our school, _____the ceremony of the 50th Anniversary this morning are our alumni (校友) from home and abroad.
#98918
A
Attend
B
To attend
C
Attending
D
Having attended
推荐题目
When first ______to Britain, tea was not so popular like today. 
#96847
A
introducing
B
introduced
C
being introduced.
D
introduce
________ with her work, she didn't even notice the heavy snowfall outside the window.
#89537
A
Occupying 
B
To be occupied
C
Having occupied 
D
Occupied
Early peoples moved around, ______ the herds of animals.
#88577
A
having followed
B
followed
C
following
D
to follow
 John reached out in a hurry ,        the door       .
#96509
A
leaving ,unlocking
B
leaving , unlocked
C
left , unlocked
D
to leave , unlocking