Those who have ________ floods and sandstorms know the importance of environmental protection.

.My reaction towards my classmates at the party was so cold and emotionless ____ I had never been interested in them

Are these shoes _________—No, they aren’t ________. They are __________.

Emily always ______ her school early.

We all wonder ____ the relationship between France and China is good again now? —Because the two countries have common national benefits.