What has not yet been announced is _____ the English contest will be held. I guess it may be held in the hall.

下列各句中的加点词语与现代汉语意义相同的一项是（      ）

Which would you like, tea or coffee –Either ____ OK, but I prefer coffee ___milk.

Where is your father—He is helping David ______ a shelf above the bed.

Listening to music at home is one thing，going to hear it________live is quite another.