Have you ever heard of the trees that are homes animals both on land and sea?
| A．about | B．to |
| C．with | D．over |
_____ doing more exercise to lose weight, many teenagers would rather be a couch potato.
| A．Instead of | B．As a result of |
| C．In spite of | D．Regardless of |
As a famous public figure, you have a duty to _______ yourself, especially in public places.
| A．focus | B．behave | C．guide | D．Operate |
It worried her a bit _________ her hair was turning grey.
| A．while | B．that | C．if | D．For |
Nuclear ______ be really dangerous at times even though it’s a nice energy in general.
| A．shall | B．should | C．can | D．Must |
Students who graduate with experience will be given ________ over those who never work in any company.
| A．prediction | B．preference |
| C．presence | D．Preparation |