.It is the third time that our water supply _______during the day.

The anti-government army ____the entrance with big stones in order to stop the government army marching in.

Being afraid of making mistakes,the little boy ____answer his teacher’s question.

---Does your wife like tea?
----Well, she doesn’t really ______ tea, she likes coffee better.

If you live in the country or have ever visited there, ______ are that you have heard birds singing to welcome the new day.

His aunt’s letters ________ memories of those beautiful days when they used to live together in his hometown. 

Besides proper diet, exercise is one of the key ___________of a healthy lifestyle.

Usually a meteorological observatory (气象台) _____ air quality in urban areas from one to five: excellent, fairly good, slightly polluted, poor, and dangerous.

The 2013 Nobel Prize in Physiology or Medicine was _____ jointly (共同地) to James E. Rothman, Randy W. Schekman and Thomas C. Südhof for their discoveries of a major transport system in our cells.
A. awarded         B. rewarded        C. distributed      D. contributed

—Have you got any idea why Mother asks for me?
—She wants you to________ your staying up last night.