It was not rare(稀少) in      that people in      fifties were going to school for further study.

The president was deeply _______ the issue and ordered the officials to find out a solution as quickly as possible.

If he refuses to _____ my plan, I can probably find someone more cooperative.

Since the outbreak of the disease, 90 patients have been         to have the illness and other suspected patients are still under examination. 

He ______to catch the last bus but she was too late .