通读下面短文，从每题所给的A、B、C三个选项中。选出最佳选项填空，使短文意思通顺、结构完整。

　　  Last weekend we went camping in a small village in India. First, we took a long bus ride to a lake in the countryside. Then we _16__ our tents and made a fire to keep us__17_and cook food on. On the first night, we just sat under _18__ moon and told each other stories.

　　  The next morning, my sister and I got a terrible surprise. When we looked out of our_19__, we saw a big snake sleeping near the fire. I was so scared_20__I couldn’t move. We shouted to our parents for help. My dad started __21__up and down in the tent. This woke the snake up and it moved away. My dad told_22__later that snakes don’t have ears but can feel things moving. He _23__told me it was important not to go near a snake. This was a very useful lesson for me.

　　16.A. put up                  B. put down               C. gave up

　　17.A. cool                    B. cold                   C. warm

　　18.A.  a                     B. an                     C. the

　　19.A. Tent                    B. bus                    C. house

　　20.A. that                    B. which                  C. if

　　21.A. jump                   B. jumped                 C. to jump

　　22.A. I                       B. me                    C. my

　　23.A. too                     also                      C. either