Question

单项选择（每题1分）
The stones each _____ as much as two tons.

A．weighs

B．are weighed

C．weigh

D．is weighed

Answer 1

C

考查主谓一致。Each放在主语后时，作的是同位语，谓语用复数形式。排除A、D；stones和weigh是主谓关系，故不被动，排除B。故选C。