【单选题】使用( )和( )可以直观、精确的将层定位。
【简答题】Should it rain, we ______ (not go) out.
【简答题】A.They should be prepared for the possible rain. B.It will rain much later in the week. C.They need to buy another umbrella. D.The weather forecast is often unreliable.
【单选题】It will _______________. We should stay inside.