---Cathy, when can I expect you to return to work? ---I’ll go back to my job once I’ve who’s going to look after the kids during the day.
Ten years ago the population of our village was ____________ that of theirs.
The hat borrowed from the drama company was so dirty that it required ________ thoroughly.
I felt very strange __________________.
________ had been done, the working efficiency of the employees still remained low.
_______ as “a class of one ”, independent learning enabled you to study at your own pace.