Tom was thinking about how to explain to the teacher why he was late for class, when a good idea ______ to him.
Giving children pocket money as a gift during the Spring Festival is a common ____ in China.
_____with this challenge, he should meet it without any hesitation.
___in a heavy snow, the couple had to walk home, leaving their car behind.
Only when we are abroad ____feel how important English is.
It is in the Future Mall where you bought a coat ____ her sister works.