1 . I am not able to handle this difficult problem. _________（请求）you recommend me some tips？（根据汉语提示单词拼写）

2 . —Someone is knocking at the door.
—ОК. І ________ (去开门).   (根据汉语提示完成句子)

3 . Practice makes perfect,________ ________ (不是吗)? (根据汉语提示完成句子)

4 . Only if you ask many different questions _______________ all the information you need to know.   (acquire)
只有提很多不同的问题，你才能收集到你所需要的信息。

5 . 请你把钢琴搬进这里来，好吗？
______________________________the piano in here?

6 . As a senior high school student, _________.(我得更加努力地学习，习惯承担更多责任。) I’m a bit worried about keeping up with the other students in some courses.（根据汉语提示完成句子）