The price system is a complex network composed of the prices of all the products bought and sold in the economy as well as of a great number of services.
#16109
A
the one
B
that
C
ones
D
those
推荐题目
—Could you please do ________ for me, Jim? —Yes, with pleasure.
#56791
A
anything
B
something
C
nothing
D
everything
To save class time, our teachers has _____ students do half of the exercise in class and complete the other half for our homework.
#16575
A
us
B
we
C
our
D
ours
I want to be a volunteer some day. I feel _____ is my duty to help others.
#15534
A
this
B
that
C
them
D
it