.Science and engineering students often _____ their heads in books instead of going to dances and cinema.
—What fruit is in season now?—Grapes and peaches, ______.
—Would you like to join me for a quick lunch before class? —______, but I promised Nancy to go out with her.
We ______ last night, but we went to the concert instead.
The flowers were so lovely that they __________ in no time.
It was in the hotel _______ I stayed yesterday _______ the accident happened.