Distinguished guests and friends . _____the ceremony of the 50th Anniversary this morning are our alumni (校友) from home and abroad .
#96910
A
Attend
B
To attend
C
Attending
D
Having attended
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_____ he’s only been learning English for a year, he speaks it very well.
#98838
A
Considered
B
Considering
C
Having considered
D
To consider
______the room, a letter was seen lying on the desk.
#95493
A
Entering
B
Entered
C
After entering
D
When he entered