If we had become aware of danger earlier, we _____ to stay in that temporary shelter.

The family ________ on time, but their car had a flat tyre on the halfway.

 I ________ through that bitter period without your generous help.(2011·陕西)

At first sight, it ________ look like a generous offer; actually, it is a trick.

  The professor requested that all the students ________ the reports at once.