—________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
—Where did you get these old doors?
—From the old houses which were________by the workers．
A．taken down
B．pulled down
C．turned down
D．put down
Things should________here before you enter the Great Museum．
A．keeps
B．keep
C．be kept
D．are kept
