At last our head teacher ______ who broke the window of the classroom.

What do you think of ‘Eat-up’ Campaign (光盘行动)?–I think it’s really necessary. It is reported that the food that Chinese peopleevery year is enough to feed 200 million people for a year.

Li Ming was born _____ May 11, 1989 _____ Guangzhou. [ ]

When will you go back to your hometown? – _______.

We are disappointed why _______ few students could make _________ a wise decision.