During the lecture, the speaker occasionally ___ ？

During the lecture, the speaker occasionally ___ ？

During the lecture, the speaker occasionally ___ h

During the lecture, the speaker occasionally ___

The speaker was very good at____his ideas during the discussion.（2012－73)A．putting asideB．

The lectures, ______the current international issues, are very well received.A．are covered

The lecture was just getting to the heart of the matter ____ the class period ended.A．befo