He is a member of our .
| A．brain power | B．brains power | C．brain powers | D．brains powers |
Although John was the eldest in the family, he always let his sister _____ charge of the house.
| A．take | B．hold | C．make | D．get |
. It isn’t so much whether he works hard; the question is whether he works _____.
| A．above all | B．in all | C．at all | D．after all |
The island where these rare birds nest has been declared a _____.
| A．observation | B．reservation | C．preservation | D．conservation |
Expected noises are usually more _____ than unexpected ones of the like magnitude.
| A．manageable | B．controllable |
| C．tolerable | D．perceivable |
. Kate's ambition to become a nurse _____ from a desire to help others.
| A．prompted | B．promoted | C．programmed | D．proceeded |