.—Have you seen___________pen? I left it here this morning.—Is it___________black one? I think I saw it somewhere.
It was ______ 7:30 that he _________ home yesterday, so his parents were very worried.
Jack told us that his class ________ sixty-four students.
He was asked to _______ his class making a speech at the school opening ceremony.
The head teacher said ________ broke the rules would be punished.
He suggested us ________ here for Mr. Li, our math teacher.