d him 300 yuan for the sneakers．— Oh, he charged you too much．You _____ them with half the money．

The ____ of some wild animals reminds us __ theproblems on environment.

Each member hopes to ________ the nextmatch.

I have to be at the office by noon tomorrow. My co-workers are taking me out for a final good-bye lunch. — ________ Where are you going to eat? —I don’t know. They want to treat me.

－We should wait in line in the dining hall.－Yes, ______ of the students should keep the rule in mind.