`a,` How heavy are you?
- I am 40kg
`b,` What is your height?
- My height is 150cm
`c,` How much are the books?
- They are 40,000 dong
`d,` What is the depth of the lake?
- The depth of the lake is 15 meters
`e`, How long is the river?
- The river is 400km long