问题
填空题
选词填空。
1. Where is the __________ (pencil, pencils)?
2. Three __________ (plus, minus) five is eight.
3. Ten minus __________ (two, five) is five.
4. Is this letter tall __________ (and, or) short?
5. I __________ (don't, not) have a pen.
6. Nineteen __________ (plus, minus) nine is ten.
答案
1. pencil 2. plus 3. five 4. or 5. don't 6. minus
