1. The reading room ________ very quiet. I enjoy reading books there.
A. am B. is C. are D. be
2. Tom and I ________ good friends. We study at the same school.
A. be B. am C. is D. are
3. This pair of black shoes ________ Mike’s. My shoes ________ white.
A. is；is B. is；are C. are；are D. are；is
4. Maths ________ more difficult than physics,I think.
A. be B. am C. is D. are
