Some researchers believe that there is no doubt ______a cure for AIDS will be found.
.People in Jilin are proud of ________ they have achieved in the past ten years.
. — Sorry to have interrupted you. Please go on. — Where was I?— You ________ you didn’t like your father’s job.
.. The doctor will not permit him ________ until his foot is better.
.— I’m sorry. I’ve left your MP4 player in my bedroom. — ________. I won’t use it today.
.________ his outgoing sister, Jack is quiet, and does not easily make friends.