Question

---Did you ever ______ trees on the hill?

---No, never, I know it's very important to protect our environment.

1. A.
   cut down
2. B.
   put down
3. C.
   slow down
4. D.
   write down

Answer 1

A
cut down意为“砍倒”，put down是“放下”，write down意为写下。