如果是人做主语时,用spend如,lily spends five yuan buying the pen.
如果表示某物花了多少钱时有cost如,the pen costs lily five yuan.
另外,注意的是spend经常是sb.spend .sometime /somemoney(in)doing sth .
如果是人做主语时,用spend如,lily spends five yuan buying the pen.
如果表示某物花了多少钱时有cost如,the pen costs lily five yuan.
另外,注意的是spend经常是sb.spend .sometime /somemoney(in)doing sth .