We shouldn’t cross the road the light turns green.
—Are you free now?—No.I have so many chores________today.
—Most paper is made________wood.—Yeah.But most books are made________paper.
Many overseas Chinese look forward to________more about their roots in the summer camp.
—Where did you get these old doors?—From the old houses which were________by the workers.
Things should________here before you enter the Great Museum.