The building was old and __________ (need) repairing.(所给词的适当形式填空)

__________ (go) abroad for a tour can be a worthwhile experience to a senior high student. (所给词的适当形式填空)

—I beg your pardon, but I didn’t quite catch you. —Oh, I __________ (talk) to myself. (所给词的适当形式填空)

—Are you going to the movies tonight?
—Yes, by then my homework __________ (finish). (所给词的适当形式填空)

She is really tired out for he __________ (complete) so much housework without having a rest. (所给词的适当形式填空)

Having mastered the technology of manned spacecraft, China became the third country __________ (send) man to space. (所给词的适当形式填空)