When asked about their opinions about the schoolmaster, many teachers would prefer to see him step aside ________ younger men.(2011·湖北，30)

My sister doesn’t like playing basketballvolleyball.

Nowadays many parents complain that they can’t ______ their children’s different kinds of expenses and that they don’t know how to make themselves understood.

The water behind the Three Gorges Dams should be ______ higherthan downstream。

1I’m going to be late forwork. There’re ＿＿＿ buseson this route(线路).