I want to learn how()quickly.a.run b.to run c.runs d.ran填什么请解释还有一个问题:The sitting room needs(),but it'll have to wait until Saturday.a.cleaning b.to be cleaned .c.clean d.being cleaned填什么请解释

问题描述:

I want to learn how()quickly.a.run b.to run c.runs d.ran填什么请解释
还有一个问题:The sitting room needs(),but it'll have to wait until Saturday.a.cleaning b.to be cleaned .c.clean d.being cleaned填什么请解释