I..单项选择（20分）
1. The number of the students in our school _____ increasing now and a number of them_______ abroad.
A. are, has traveled B. is, have traveled C. are, traveled D. is, has traveled
2. She needs some paper to ______.
A. write B. write in C. write with D. write on
3. Tom ____ on the grass and read a story book.
A. lie B. lies C. lay D. lied
