2. Excuse me! Is this ____ coat?
3. Carol and I ____ students, and ____ parents are doctors.
7. --- This is my sister. --- ____.
A. Nice to meeting you
B. Good morning
C. Nice to meet you
D. How are you?
8. --- Is she your sister? --- ____.
A. Yes, she is
B. Yes, he is
C. Yes, you are
D. Yes, it is
9. Mark Twain was ____ American writer.