—— Do young people in that country like to be engaged in teaching?

—— Not really, for teachers strongly feel that school systems____ them ____.

A．let; down

B．let; off

C．let; go

D．let; alone

隋朝时政府放款是在各府县拨付一些钱叫（）

A、五铢钱

B、公廨

C、半两钱

D、三官钱