________in the heart of Toronto is the Canadian National Tower , which is often called the CN Tower for short.
#97152
A
Locating
B
Located
C
Having been located
D
Having located
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His room needs _______,so he must have it ________.
#95291
A
painting ; painted
B
painted ; painting
C
painting ; painting
D
painted ; painted
_____ back problems, always bend your knees when you lift heavy objects. 
#98752
A
Avoiding
B
To avoid
C
Having avoided
D
To be avoiding