10．Today we are going to learn the            (five)lesson．

9．The boy finished          (water)the flowers in time．

8．Please say it      (clear)，I can’t understand what you said．

7．If you eat too much for dinner，you’ll feel          ．( comfortable )

6．Thanks a lot for           (invite)me to your party．

5．Kate runs to school               (quick)

4．I was sleeping while the            (事故)took place．

3．When the UFO        (到达)，I was on the phone．

2．what she has done made me              (吃惊的)

1．There will be less             (污染)in the future．