I部分:
1 watching
2 be
3 herself
4 By
5 heart
II部分:
1 I live by the river.
2 Jenny went to school by bike yesterday.
3 I pass by the post office everyday on my way to work.
4 Kate likes that new book written by a young female author.
5 Can you finish the works by tomorrow?
6 This room's size is 5 by 4 metres.
III部分:
1 你可以通过努力工作来实现你的梦想。
2 I earned good grades by studying hard.
3 ringing
追答全部解答完毕,哪题不懂欢迎追问。