Peter was so excited _____ he received an invitation from his friend to visit Chongqing.[ ]

come to see your performance at 9:00tomorrow evening— I’m sorry, but by then my performance ____ and I____ reporters in the meeting room

Mum， the visit to the Space Museum is so wonderful.— Really Could you tell me_________

The number of students in our class ______ fifty, but a small number of them ______from the country.

It was that we both thought worth learning from.