.We should do what we can do ____protect the animals in danger
| A．help | B．helping |
| C．to help | D．helps |
Grandma________us stories when we were very young．
| A．used to tell |
| B．was used to tell |
| C．is used to tell |
| D．was used to telling |
—________free education，the poor children in my hometown can go back to school．
—So can the children in my hometown．
| A．Thanks to |
| B．Instead of |
| C．As for |
| D．Towards |
—Are you free now?
—No．I have so many chores________today．
| A．do |
| B．to do |
| C．doing |
| D．done |
—Most paper is made________wood．
—Yeah．But most books are made________paper．
| A．of；of |
| B．from；from |
| C．of；from |
| D．from；of |
Many overseas Chinese look forward to________more about their roots in the summer camp．
| A．learn |
| B．be learning |
| C．learning |
| D．be learned |