Human be haviour is mostly a product of learning, ____ the behavior of animals depends mainly on instinct.
| A．whereas | B．so | C．unless | D．that |
Every year _____ money and energy is spent on environment protection.
| A．large quantities of | B．a large number of |
| C．a large quantity of | D．a plenty of |
She made it quite clear that she was no longer going to______my selfishness and moodiness.
| A．put up with | B．depend on | C．care about | D．catch up with |
As the busiest woman in Norton,she made ________ her duty to look after all the other people’s affairs in that town.
| A．this | B．that | C．one | D．it |
Our efforts resulted________failure.I think I’m also responsible________it.
| A．in；to | B．from；to | C．in；for | D．from；for |
When was it________you let out the secret?
| A．which | B．what | C．that | D．why |