1. (2017·鼓楼模拟) （B）根据句子意思，用括号中所给单词的适当形式填空。

1. （1） I'm amazed you managed to move those heavy boxes all by (you).
3. （2） The books on great people were organized on those  (shelf) according to their names. You can find your book easily.
5. （3） We discussed the problem three times but we didn't get much (far)in solving it.
7. （4） She promised to do all she can(help) me but she failed to do that.
9. （5） All the tourists were deeply (impress) by the great beauty of the view from the top of mountain.