The cat made a lot of noise last night. It ______________ a baby crying.

Betty will ring me up when she _______ in Beijing.

park is very close, so you can walkthere.

reported that as well as the inquiry in London, there is a __________ investigation going on in New York into the cause of the disaster.

What do parents in China want their children to do— Most parents expect to see their children _____ hard all day.