The train _____ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight.
– Sir, we have failed to work out this problem. What is exactly the right way? --- Look. Only in this way ________ , but you boys _____ a wrong way.
Not until he got to the factory _______that he had lost his papers.
The animal is ______; we must do something to save it.
.In that country about 80 percent of the population _____ farm.
– What are those men nover there? --- _________ Green Peace.