I can’t find my dictionary.–Don’t worry about your lost book. You can use _______.

When were you born, Lily? —I was born _______ July 18, 1990. [ ]

Chris is very clever and never wastes any time doing useless things．—No _______ he always comes first in the examinations

After playing football about half an hour, the students took _________ rest.

Beijing ________ a lot over the years. Now it has become one of the biggest ______ in the world.