注意:此页面搜索的是所有试题
题目内容
(国家开放大学-商务英语)
If people ________we.re very valuable they won.t buy our stock.
选择一项:
A.
do think
B.
think
C.
don.t think
选择一项:
A.
do think
B.
think
C.
don.t think
参考答案