It _____ have been Tom that parked the car here, as he is the only one with a car. [ ]

My mother was ______ tired _____ he went to bed without supper tonight.

The MP3 ______ too much. He ______ 200 yuan _______ it.

Only when the war was over ________ return to their hometowns.

Do you think I should get a good guidebook? — Yes, of course_____, you also need a good camera and comfortable shoes[ ]