6.She was praised for _______ the life of the child.(save)

5.We are looking forward to Mary's________　. (come) .

4.To make a living, he tried _______, ________,and various other things, but he had failed in all .(write; paint)

3.She didn't mind _______　overtime.(work)

you imagine yourself ______　in a lonely island? (stay)

2.I can't understand your ______　at that poor child.(laugh)

50. How can you keep the machine ____when you are away?

A. run　　　　　 B. to run　　　　 C. running　　　 D. being run

49. With apples at 25 cents a pound, we couldn't resist ____four pounds.

A. to take　　　 B. took　　　　　 C. taking　　　 　D. have taken

48. I'll go with you after I get through with ____the house.

A. cleaning　　　 B. to cleaning　　　 C. to be cleaned　　　　 D.　 having cleaned

47. He kept ____to his parents.

A. putting off to write　　　　　 B. to put off to write

C. putting off writing　　　　　　 D. to put off writing

46. It was impolite of him ____without ____good-bye.

A. to leave, saying　　　　　　 B. leaving, to say

C. to leave, to say　　　　　　 D. leaving, saying