－When will the expert come and give the

问题选择题

－When will the expert come and give the lecture on economic development

－Not until our program ____by the government

A．approves

B．is to approve

C．will be approved

D．has been approved

答案

答案：D

题目分析：考查时态语态：句意：--什么时候专家来给我们做经济发展的讲座？--直到我们的项目被政府批准。因为not until后面不能用将来时，用一般现在时或现在完成时，而且our program和approve是被动关系，选D。