1. short (比较级) ______________ 3. go (第三人称单数) ______________ 5. drive (动名词) ______________ 7. sit (动名词) ______________ 9. north (对应词) ______________
2. glass (复数) ______________ 4. the Unite States (缩写) ______________ 6. up (反义词) ______________ 8. that (复数) ______________ 10. one (序数词) ______________