—Why didn’t you answer the phone when I called you last night?—Sorry, I __________ a bath upstairs.
The problem puzzled me so much that I stopped for a few seconds to try to_______.
You often say that everyone should be equal, and this is ____Idisagree.
He visited the bookstore every week. He became such a____ customer that the bookseller gave him some books as presents.
The price of cell phones_______ recently.
We should discuss the possible______ we can take of the present financial crisis.