—    is the river?
—It's about 2 thousand metres. ( )

A．How many

B．How long

C．Where

—__________do you go to school every day? (　　)
—I go to school __________seven.

A．What; at

B．When; at

C．How; at

Read and write（读一读，填上合适的内容，使句子通顺）
【小题1】—______ are the pupils? —They’re on the grass.
【小题2】—______ is your brother? —He’s very well.
【小题3】—______ are you? —I’m Mary’s sister.
【小题4】—______ can your friends do?    —They can make sandcastles.
【小题5】—______ is the boy?   —He’s ten years old.

-- ________ did you swim last Sunday? (   )
-- I swam in that river.

A．What

B．Whom

C．Where

—____ do you need to get there? (   )
—About 20 minutes.

A．How long

B．How many

C．How much