问题
选择题
This series of products ______ in special price for a month to promote its sales from next month.
A.are
B.is
C.has been
D.is to be
答案
答案:D
This series of products ______ in special price for a month to promote its sales from next month.
A.are
B.is
C.has been
D.is to be
答案:D