54．are, not, these, grandparents, his, (.)

53．your, is, brother, Paul, (?)

　5l．his, here, is, photo, family, (.)

52．your, the, for, of, thanks, photo, family, (.)

50．These ________ your bananas. Here you ________.

49．________ those maps? No，they ________ not. They ________ pictures.

48．He ________ my friend. ________ your friend a boy or a girl?

47．She ________ eleven. How old ________ that boy?

46．Those ________ their apples. Where ________ his apples?

45．________ these her English books?

44．I ________ in Class Three. ________ you in Class Three，too?