Tom was over there. His red clothes stood out clearly _____the snow.

______ all the texts that are written, stored and sent electronically, a lot of them are still ending up on paper.

-May I trouble you with the question?
-Sorry, but it is______my knowledge.

He is no fool at all;_________，he is the smartest boy I have ever seen.

The adoption of orphans and physically challenged children has been a subject of public debate _____ a fire in an unregistered orphanage last month.   

— Let’s have an outing tomorrow.
— Sorry. The final exam is drawing near and I am in a race _____ time.

I agree to his suggestion __________ condition that he drops all charges.

Life is not always that smooth and I hope you can force a laugh _________ pain.

Chinese men _________ weigh 1.6kg heavier than 10 years ago, and women 1.8kg heavier, according to a survey published by the Chinese Nutrition Communication Conference.