I don ’ t want to buy the sweater because I don ’ t like the color. __________, it is too expensive.

I don't know_________.

股票价格与股息、市场利息率的关系分别是()

— How are you today? —Oh, I __________ as ill as I do now for a long time.

下列技术中属于我国实行许可证管理的是_____

资本主义再生产是生产、流通和消费过程的统一，从事对外贸易应把注意力集中于以下哪个环节?()

中期预测的预测期限一般为（）

__________of the land in that district __________ covered with trees and grass.

The doctor let the patients ______the soft music, because it helped make them _____.

我国对外开放是向()开放。