摘要： 15.因为我家离学校远,所以我不得不乘公交车上学。I go to school by bus because my home is far from school.
16.在图书馆你必须保持安静。
You
I go to school by bus because my home is far from school.
16.在图书馆你必须保持安静。
You in the library.
17.你已经把书还给汤姆了吗?
Have you the book Tom?
18.我不知道到哪儿去寻求帮助。
I don�t know ask for help.
答案15.have to 16.must keep quiet 17.returned; to 18.where to
