It’s ______ good idea to visit our old teachers on ______ Teachers’ Day.

He hurt her _________ badly _______ she had to see a doctor.

Can you tell the differences between these two pictures?— Differences? Oh, no. They look quite __________.

Shanghai will host the World Expo _____May.[ ]

You are ______ to be hit by lightning ______be attacked by a shark, so don’t be frightened by sharks.