Four and half hours of discussion took us up to midnight, and break for cheese, chocolate and tea with sugar.
| A．a;a | B．the; the | C．不填；the | D．a;不填 |
Rather than _______ on a crowded bus, he always prefers _______ a bicycle.
| A．ride; ride | B．riding; ride | C．ride; to ride | D．to ride; riding |
_______a reply, he decided to write again.
| A．Not receiving | B．Receiving not | C．Not having received | D．Having received not |
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 |