The beautiful song ________ me of those happy old days we had spent together.
After he was promoted to the present position, he is not so hardworking as he ______.
What actually ______ the accident has not yet been determined.
-- What were you up to when she dropped in? -- I _____ for a while and _____ some reading.
The Education Department says that school safety has set off alarm bells with frequent reports of serious accidents______ students got injured or killed.
At school, it is essential that every child ______ equally regardless of family background.