How long does it ___ to travel from TOKYO to Singapore by air?
问题描述:
How long does it ___ to travel from TOKYO to Singapore by air?
A. takeB. spendC. have D.cost
请教为何答案选A,而不是B? 并请详细说明 spend与 cost的区别.
答
因为句型是it takes sb.sometime to do sth
某人花了多长时间做某事
spend doing
cost 是物做主语 sth cost sb.