The beauty of the place ______ them to pause in their hike and rest a while.
| A．allowed | B．switched | C．invited | D．addicted |
There seemed nothing else to do but ______ a doctor.
| A．to send for | B．to call for | C．send for | D．to call in |
Hearing the _______ news, we all felt_______ .
| A．encouraging; encouraging | B．encouraged; encouraged |
| C．encouraged; encouraging | D．encouraging; encouraged |
_______the road, be careful.
| A．While crossing | B．When cross | C．Crossed | D．Being crossed |
_______twice, he didn't want to try again.
| A．Failed | B．Failing | C．Having failed | D．To fail |
______a nurse, she knew how to take care of a patient.
| A．Been | B．Being | C．To be | D．Be |