用所给词的适当形式填空。 1. There are many new ( build) in our city. 2. We can do the work with (little) money and ( few) people than they can. 3. There are ( hundred) of people on the ground. 4. She wants to be a (science) when she grows up. 5. I can do my homework by (I). 6. Today is Sunday. Let's go ( skate) . 7. Please buy some ( toothbrush) for them.