根据句意，用所给动词的适当形式填空。
小题1:—The jeans look so nice. Do you mind me ___________ (try) them on?
—Of course not. Go ahead.
小题2:My watch doesn’t work and it needs ___________ (repair) as soon as possible.
小题3: When something __________ (worry) her, she always goes to her friends.
小题4:—How are you getting along with your homework?
—I __________ (finish) it already.
小题5: When the teacher came in, Lily ___________ (chat) happily with her classmates.
小题1:trying
小题2:repairing/ to be repaired
小题3:worries
小题4:have finished
小题5:was chatting
题目分析：
小题1:这条牛仔裤看起来那么好看，你介意我试穿一下吗？mind doing ,介意做···，故填trying
小题2:我的手表不走了，它需要尽快的修理，need doing="need" to be done 某物需要被做,故填repairing/ to be repaired
小题3:当有事情使她担忧时，她总是到朋友那里找帮助。复合不定代词做主语看做单数，故填worries
小题4:你的作业做的怎么样了？我已经完成了。动作发生在过去但是强调对现在的影响用现在完成时态。故填have finished
小题5:当老师进来时，莉莉正在和她的同班同学愉快的聊天，when,当，强调从句的动作发生时，主句的动作正在发生。故用过去进行时态，故填was chatting，