________ our achievements, we are firmly convinced we’ll be able to achieve the final victory.
| A．Looking back at | B．Looking forward to | C．Looking through | D．Looking into |
The temperature in this mountainous area ___ from day to day.
| A．ranges | B．exchanges | C．varies | D．transforms |
Looking out of the window of my room, ___ a tall tree in the yard.
| A．there was | B．there were | C．I saw | D．there stood |
---Of ____ two bags, which one do you think is better?
--- _______ smaller one. I prefer how it looks.
| A．the; The | B．the; A | C．a; A | D．a; The |
She owns a lot of books, most of _____ are written in English.
| A．them | B．which | C．what | D．that |
I don’t like_______ when I am talking with my friends someone cuts in.
| A．that | B．this | C．one | D．it |