24．A．looked                 B．laughed               C．knocked               D．threw

23．A．nearly                 B．quietly                 C．carefully                D．easily

22．A．summer               B．spring                  C．winter                 D．fall

21．A．park                    B．place                   C．farm                    D．garden

20．That will make me __________．

A．to happy               B．happing                 C．happily                D．happy

Mrs. Brown had a small __21__ behind her house，and in the __22__ she planted（种植）some vegetables in it．She looked after them very __23__，and when the summer came，they looked very nice．

One evening，Mrs. Brown __24__ at her vegetables and said，“Tomorrow I __25__ them，and then we can eat them．”

But __26__ the next morning，her son ran into the kitchen and shouted，“Mother，Mother! Come quickly! Our neighbor's（邻居的）ducks are in garden and they __27__ our vegetables!”

Mrs. Brown ran out，but it was too late! All the vegetables __28__! Mrs. Brown cried，and her neighbor was very sorry，but that was the end of the vegetables．

Then a few days before Christmas，the neighbor __29__ Mrs. Brown a parcel（包裹）．In it was a beautiful fat duck，and on it was a piece of paper __30__ the words，“Enjoy your vegetables!”

19．I __________ think the tiger __________ friendly．

A．not，is                B．/，isn't                C．don't，is               D．do，isn't

18．This new pair of glasses is very nice．Could I __________?

A．try on it               B．try it on               C．try them on            D．try on them

17．My friend often helps me __________ my English．

A．with                    B．in                        C．at                           D．on

16．She __________ showed us some pictures．

A．too                      B．either                         C．also                       D．else

15．The story made us __________．

A．to laugh                       B．laughing              C．laugh                   D．laughed