根据汉语意思用英语完成句子。

1．父亲经常鼓励我要取得更好成绩。

Father often ________ ________ ________ get better grades．

2．自从她六岁以来，她就一直弹钢琴。

She ________ ________ ________ the piano since she ________ six years old．

3．你介意打开窗户吗？这儿有点热。

Would you ________ ________ the windows? It's kind of hot here．

4．你朋友对集邮感兴趣吗？

Is your friend ________ ________ ________ stamps?

5．如果周五晚上你能完成作业，我们周末就去度假。

If you ________ your homework on Friday night，we ________ ________ on vacation on the weekend．