—How did you find the talk this morning? —______.
—Have you known Dr. Jackson for a long time? —Yes,since she ________ the Chinese Society.
Progress ________ so far very good and we are sure that the work will be finished on time.
—Why don't you go home? —Because a lot of work________yet.
I'll return the book to the library as soon as I________it.
This is the best dinner that I________.