11.Climate has a greaton agricultural production.

49.On no accountto feed the animals.

48.I have nothing to confess. you want me to say?

47.It was the training that he had as a young manmade him such a good engineer.

46.that the pilot couldn＇t fly through it.

45.She had lunch at school yesterday, she?

44.beautifully she is singing!

43.fast he runs!

42.It was Luciarescued the drowning child.

41. some more time, and I will find a solution to the problem.

40.You and I could hardly work together, ?