46、Twenty miles  a long way to cover.

A．were        B．are                 C．is                   D．seem to be

47、Nine plus three     twelve.

A．makes            B．make             C．is making       D．are making

48、There are two roads and either  to the station.

A．leads              B．lead                C．are leading     D．is leading

49、My father, together with some of his old friends,                 there already.

A．have been      B．has been         C．had been        D．will be

50、My family as well as I glad to see you.

A．am                 B．are                 C．is                   D．was

46、C      47、A  。    48、A       49、B    50、B