1.I, who____ your friend, will try my best to help you with your English.
A. am B. is C. are D. be
2. The rich ____ not always happy.
A. are B .is C .has D. have
3. Neither Tom nor Jack and I ____ his students.
A. are B. am C . is D. was
4. Mary as well as her sisters ____ Chinese in China.
A. are studying B. have studied C. studies D. study
