——______ do you go camping? ——Once a month. A. How long B. How often. C. How many.
----- What are you going to do this weekend ? ------ I ______ yet .
In the old days , many children _______ the hunger .
The elephant weighs ________ more than the panda.
---- Who helped get the bag out of the water ? ------- A _________ girl .
-----Why do people kill the whales ? -------- They kill the whales _______ the meat , fat and oil .