Some people hold the view that the new machine is advanced, while others are still skeptical _____ whether it is of practical use.
#14015
A
with
B
about
C
for
D
on
推荐题目
Let’s _____ our personal feelings for now, and get to our business. 
#13714
A
set up
B
set off
C
set about
D
set aside
 People are puzzled ________ they read the book.
#14363
A
the first time
B
at the first time
C
for the first time
D
at first
 They sold ______ boxes of such sweets last week.
#14047
A
four dozens of
B
four dozen
C
four dozen of
D
four dozens