Pollution does great harm to our health. It’s necessary the environment.
| A．of us to protect | B．for us to protect |
| C．of us protecting | D．for us protecting |
---Good evening,Alice!
---
A.Good morning! B. Good afternoon! C. Good evening!
It has been sunny these days, so I ______ it ______ tomorrow.
| A．think , won’t rain | B．don’t think, will rain |
| C．think ,doesn’t rain | D．don’t think , rains |
----______has Tom been a doctor ? -----Since two years ago.
| A．How soon | B．How much | C．How many | D．How long |
Mr Hu has travelled to six countries _______.
| A．over the years | B．in the years |
| C．after the years | D．before the years |
Though he is _____ at home ,but he doesn’t feel ______
| A．alone , lonely | B．lonely , alone | C．alone, alone | D．lonely, lonely |