The first use of atomic weapons was in 1945. and their power _____ increased enormously ever since.
Most of the students in our school adore ______ to the cinema.
A man who will ______ his life for his country is a true man.
____ him so far, she felt a little worried.
While other scientists are keeping__ __eye on changes in the H5N1 bird flu strain, the scientists in England are working on vaccines, in case it becomes highly infectious in __ __humans.
My sister ,as well as her classmates who _____late for class,_____criticized by Mr. Hunt.