There are many old trees in our school, each ________ about 100 years ago. 
#98197
A
dates back to
B
dating from
C
dated back
D
which dated to
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The professor________at the meeting will give us a lecture next week.
#88459
A
referred
B
referred to
C
referring
D
referring to
I’m thirsty. Would you please give me something________.
#98379
A
drunk
B
to drink
C
to be drunk
D
for drinking