1 . 听下面一段独白，回答以下小题。
1. What problem did the senior citizens have?

A．They got trapped in the fallen trees.

B．They were stuck in the wheelchairs.

C．Fallen leaves blocked their walking paths.

2. Who called on the volunteers to help the senior citizens?

A．Jay Garrett.

B．Barry.

C．Wally, West.

3. How did the children deal with the leaves?

A．They sent them to the landfill.

B．They took them to the farm.

C．They used them to grow crops.