【正文】
1. What ________ (is / are) these? They ______ (is / are) circles. 2. Is that _________ (man / men) from Canada? Yes, ______ (he / she) is. 3. ________ (I / My) mother is beautiful. ________ (Your / Her) name is Alice. 4. This is a __________ (German / Germany) ship. 5. The pigs and cows __________ (have / has) tails. 6. The boy ________ (on / in) the chair ________ (is / are) Philip. 7. We are __________ (China / Chinese). We have some ___________ (American / America) postcards. 8. _________ (Are / Do) you have pets? No, I ________ (am not / don’t). 9. My uncle and aunt have _____