The students asked ____.
---Why are you still here? Everybody has gone to attend the lecture by the president. --Oh, I ___________ about it!
Mr. Duncan raised an unnecessary question __________ he then failed to find an answer.
—What do you think of his speech at the court? —Er..., sorry, I ________ about something else.
We still remember once _________ round the famous tower when we were young.
----Marx looks nervous. ----So __________ you if you had so fierce a competition.