B 固定句型 It takes sb some time to do sth. It作形式主语to do 是真正主语.
spend 是sb spend some money on sth 或in doing sth (in 可省略)
cost是花费的意思,只能物作主语
has 是的意思,明显不符
B 固定句型 It takes sb some time to do sth. It作形式主语to do 是真正主语.
spend 是sb spend some money on sth 或in doing sth (in 可省略)
cost是花费的意思,只能物作主语
has 是的意思,明显不符