I doubt Sam will be the new chairperson of the Students’ Union. I don’t think he’d be able to organize things well.
Because of the rain, we must ________ holding the sports meeting.
An accident ________ on Zhongshan Road yesterday afternoon.
Jack wanted to read more, so he asked his friend if there was ________ to read.
So far, the moon ________ by man already.
The work is too hard, so ____ were needed.