52. I shall walk with you to the bottom of the road. The underlined part means ____.
This course is based on a project, one of________ aims is to improve the students’ comprehensive ability in English.
_____ you choose, you must stand by your decision.
______ Chief Engineer, as his family had expected made his father happy and proud.
—How about your travel?—You can hardly imagine what difficulty we have had ______ the vast desert.
After he retired from office, Rogers ______ painting for a while, but soon lost interest.