Someone is knocking at the door. Go and see who it can be.— It__________ Peter, because he has gone to New Zealand.

So far, the AIIB (亚投行) 57 countries to be the founding members.

It isbecause of a long ________ from school that I am a bit behind the otherclassmates.

Please let us know yesterday,my daughter.

Start out right away, ______________ you’ll miss the last train.—Don’t worry, but have you seen my ticket?