I will buy you a new bike if you learn how to swim this summer.Is that a ______ ? I’m sure I’ll get the bike. 
#42759
A
chance
B
promise
C
trick
D
treat
推荐题目
Liu Ying is good at singing. She sings ________ the famous singer.
#39425
A
as well as
B
as good as
C
as better as
D
as the best as
-I heard Mary was ill last week. Does she go to school today?  -Yes, she is           .
#41018
A
enough health
B
health enough
C
enough healthy
D
healthy enough
Bob never does his homework _________ Mary. He makes lots of mistakes.
#36779
A
so careful as
B
as careful as
C
not as carefully as
D
as carefully as