If you are interested in this job, please ______ us as soon as possible.

Without this year’s Nobel Prize in physics winner Charles Kao’s idea of fibrotic（光纤的）communications, the “modern” telephone and Internet _________impossible

It’s no long a question now ____men can land on the moon.

What troubled the teacher was that no one present made an answer when asked who had broken the glasses, so he didn’t know who _____________.[ ]

Peter and I _________ in Room 807.