If you want to see Mr. Johnson on Friday morning, make sure he is ______ ahead of time. 
#19421
A
approachable
B
accessible
C
available
D
convenient
推荐题目
The girl looked at me with a ____expression. Maybe the problem was quite ___.
#19134
A
puzzled; puzzling
B
puzzling; puzzled
C
puzzled; puzzled
D
puzzling; puzzling
After the new machine was introduced, the factory produced _____ in 2011 as the year before.
#18941
A
twice as many machines
B
twice many as machines
C
as twice many machines
D
as many machines twice