It _____ last week that the haze(雾霾)in Beijing caused many problems.
--What happened her ? ---She hurt her left leg.
---Pleas your room because it’s dirty. ----OK, I will.
If it _____ on May Day, we’ll go to Wenzhou Amusement Park.
---I called you yesterday, but no one answered. ---I ______ my car when you called me.
--- How’s Tom today? I’m sorry to hear that he’s ill. --- He said__________.