The subject of these lectures______by the lecture committee.

单项选择题Tina always looks her best in______of that color.

单项选择题Weather______, the picnic will be held as scheduled.

单项选择题There was nothing that they could do______.

单项选择题—Have you found your pen yet —No, I am not sure______I could have done with it.

单项选择题Take this bag and______you can find enough space.