完成句子。
1. Without being instructed by professional teacher, you could_____when learning to play the piano.(pick)
没有专业老师的指导，你很可能在学弹钢琴时染上坏习惯。
2. I am so sorry to_____at the school gate all the morning alone.(have)
我很抱歉整个上午让他在学校门口独自等。
3. When his mother came in, he_____.(pretend)
他妈妈进来时，他假装在做作业。
4. Li Lianjie，one of my favorite stars_____was occupied with his charity fund.(star)
李连杰，我最喜欢的影星之一，曾主演过许多电影，在忙于慈善基金。
5. We shouldn't complain about being poor；in fact，many families are_____.(bad)
我们不应该抱怨我们贫穷；实际上，许多家庭比我们更贫穷。
6. The boy slipped on the floor，but got up immediately and ran away as if_____.(happen)
这个男孩滑倒在地板上，但立刻站起来跑开了，好像什么事都没发生过。
7. The form is said to require_____，but it is a pity that most of the applicants don't do so.(fill)
这个表格要求用汉语填写，但遗憾的是大部分的申请者都没那么做。
8. _____on the phone，your request would be considered in the next meeting.(tell)
正如我之前在电话中告诉你的那样，你的要求将会在下次会议上考虑。
9. Their teacher was not satisfied with the result，nor_____it.(content)
他们的老师对结果不满意，他们自己也不满意。
10. Up to now_____yet.She was once recommended to work as a shop assistant，but she refused.(find)
直到现在她还没有找到工作。她曾经被推荐当一个商店助理，但她拒绝了。