Fill in the blanks (用所给词的适当形式填空):
1. There isn’t _________ (many) orange jam in the bowl.
2. Those _________ (girl) ropes are long.
3. How many ________ (sandwich) are there in the bag? –There’s one.
4. Please give _________ (I) a pair of _________ (glass).
5. Please _________ (clean) the blackboard. It’s dirty.
6. May I have _________ (some) bottles of water? Yes, here you are.
7. My father is ________ (a) engineer.
8. How many _________ (giraffe) are there in the zoo?