58.她不得不請三天假。

She has to ask for                  .

57.從現(xiàn)在起，你不能玩電腦游戲了。

You can't play computer games                 

56.你知道網(wǎng)絡(luò)失物招領(lǐng)嗎？

Do you know                      ？

55.I like English because it is interesting.(對畫線部分提問)

                 you like English?

54.These are her gloves.(改為一般疑問句)

                hergloves?

53.I take the bus to school.(改為同義句)

I go to school               .

52.This camera is Jack's.(改為同義句) 

This is               .

51.This is Mary's bag.(對畫線部分提問) 

              is this?

50.This isn't her knife.      (she) is green.

49.You can use the eraser. It is       (me) .