On _________ 1st, Mike decided to play a joke on his friend. At lunchtime he said to Tom, “I think we're going to have a science test(测验) this afternoon.”

“A test?” said Tom. “Really?”

“Yes, it's quite _________.” said Mike. “When I was passing by Mr. Hill's room, he was talking with _________ teacher about test. I think there will _________ a science test this afternoon. Tell Bob and Kate about it.”

Later, Tom told Bob and Kate about the test. _________ almost all the students in Mr. Hill's science class knew about it. They quickly went into the classroom and began to _________.

But not Mike. He was laughing to himself _________ his classmates. “That fools!” he thought. “April fools.”

When class began, Mr. Hill said to the students.

“Class, we're going to have a test today.”

Mike was surprised. He could not _________ what to do.

When Mr. Hill handed out the _________, the students began to write. But not Mike. He _________ think and think and think.

It really was April Fools' Day for Mike.