The finding could prove to be helpful to____________.

According to the author, the pursuit of religion has proved to be______.A．imaginativeB．a p

● ___（68)___ are those programs that help find the information you are trying to locate on

I came across these things which were proved to be antiques. The underlined part means____

People have proved______to be true that the heat we get from coal and oil comes from the s

He could not help but ____ at the joke.A: laughB: to laughC: laughingD: laughed

The plan fell_____for it proved to be too costly.A．offB．behindC．downD．out