单选题 ---Who is on duty today? ---It's me. What's up? ---Look. The blackboard needs ____ right now.

单选题 ---Did they win the badminton match yesterday? ---Not really. ____they all tried their best, they lost it.

单选题 ---Our class got the first place in the 4*100 relay race! --____! Together we are stronger.

单选题 ____ make the other students hear me clearly, I was encouraged to read aloud by our English teacher.

单选题 ____ of the students in our class ____ from the countryside of the city.

单选题 When father was young, he ____ from morning till night.

单选题 ____the challenge of advertising this event, over one million people in at least 65 countries are expected to join in the next Buy Nothing Day.

单选题 ---I haven't finished the paper by now. --____.

单选题 ---Your new car is nothing but a ____ of money. ---I think your words are just sour grapes.