What is going on over there—They are arguing ________ each other ________ private affairs.

We’d better take umbrellas—I’m sure it _____ when we arrive in London; it’s always wet there at this time of year

ze,you guy! _______ , and I’ll shoot you” an old man with a gun in hand shoutedat me

In spring, we can often hear some birds_______ in our school.

Oh，it’s you，Jane！I didn’t ___ you. Where have you been these years