It is widely accepted that young babies learn to do things because certain acts lead to________.
| A．rewards |
| B．prizes |
| C．awards |
| D．results |
38. She is crazy _____ the film star, while her brother is crazy _____ surfing.
| A．to; for | B．on; to | C．for; at | D．for; on |
37. The boy is curious _____ everything. I am sure he is very clever.
| A．to | B．about | C．with | D．In |
36. It is said that the step-mother is very cruel _____ the children.
| A．with | B．at | C．about | D．To |
35. Don’t sit _____the corner of the desk. That’s impolite for a student.
| A．on | B．in | C．to | D．At |
34. Her clothes are very bright _____ colour.
| A．of | B．in | C．on | D．With |