Ⅰ.单句语法填空
1．That necklace，__which__ you gave me as a present, was lost yesterday.
2．He borrowed a book the other day，the author of __which__ is a worker.
3．She dropped the phone and __fled__(flee) from the office.
4．The boy，__whose__ father is an engineer，studies very hard.
5．All of my books are on the desk, __where__ I always keep them.
6．This is our headmaster, __who__ I think has something important to tell you.
7．Offers of help are flowing__into__ the disaster area from all over the country.
8．Grants(拨款) are available depending on your__circumstances__ (circumstance).
9．__In__ conclusion, I would like to thank our guest speaker.
10．He dreamed of becoming a bestselling __novelist__ (novel).
