The poor child stood there, and ________ what to do, turned to his father for help.   
#11627
A
not knowing
B
not knew
C
not to know
D
not know
推荐题目
 Ten years ago the population of our village was _________ that of theirs.
#14054
A
as twice large as
B
twice as large as
C
twice as much as
D
as twice much as
John waited until he got back his breath and could speak      .
#14099
A
normally
B
commonly
C
regularly
D
formally
This building is ___ that one.
#14477
A
three metres higher than
B
higher three metres than
C
so high as
D
twice high as