The President was sitting on the chair____ by his supporters.
A. surrounding
B. to surround
C. surrounded
D. to be surrounded
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My letter, ______to the wrong number, reached him late.
A. to have addressed
B. being addressed
C. having been addressed
D. to have been addressed
I couldn’t understand the language_____ in that country.
A. to cover
B. speaking
C. to be spoken
D. spoken
The dog, _____, will make a good watch dog.
A. to train properly
B. training properly
C. properly to train
D. trained properly
There are the facts _____by the school
A. to gather
B. gathering
C. gathered
D. being gathered
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