Mr. White was a man w___51___ a poor memory(记忆力)．He often f___52___ something，but he never knew it．So sometimes he got into trouble．One day，on his way to town，he felt a little t___53___ and sat down under a big tree to have a rest．A young man was w___54___ in the field by the road at that time．“Why don't you say h___55___ to me，young man?” said Mr. White．The young man was very surprised and answered， “I don’t know you at a___56___，sir!” “Don’t you know me?” shouted Mr. White．“How poor your memory is! We've been f___57___ for three years．When I first saw you，you w___58___ quite tall，and you had red hair．But now you are quite s___59___ and your hair is black．You're younger than b___60___．In a word，you've changed a lot these days．Is that right? Mr. Hunt?” “No，I'm not Mr. Hunt．I'm Mr. King!” “Oh! My God! You have even changed your name!’’

20．We won't play football if _______ tomorrow．

A．it rains　　 　　　　　　 B．it will rain　　 　　　　 C．it would rain 　　　　　 D．it rained

19．I don't know _______．

A．when does he come back．　　　　　　　　　　　　 B．when will he come back．

C．when he will come back．　　　　　　　　　　　　　 D．when she does come back．

18．I _______ home until I finish my homework．

A．won't go　 　　　　　　 B．will go　 　　　　　　　　 C．go　 　　　　　　　　　　　 C．went

17．Whose drawing is _______，Tom's，Lucy's or Lily's?

A．good　　 　　　　　　　 B．better　　 　　　　　　　 C．best 　　　　　　　　　　　 D．the best