How __________ is the mountain? It's 3,776 ______.
How tall is the mountain? It's 3,776 metres.
How __________ is the tree? It's 3 ______.
How tall is the tree? It's 3 metres.
How __________ is Miss Poon? It's 52 ______.
How heavy is Miss Poon? It's 52 kilograms.