I looked up and noticed a snake ______ its way up the tree to catch its breakfast.
| A．to wind | B．wind | C．winding | D．wound |
It was the training ______ he had at school ______ made him a good jumper.
| A．what; what | B．what; that |
| C．that; that | D．that; which |
I could just see a car in the distance, but I couldn't ______ what color it was.
| A．look out | B．make out |
| C．get across | D．take after |
So many uses have been discovered for this wood ______ the supply of white pine is becoming smaller and smaller.
| A．then | B．what |
| C．that | D．which |
A study shows that students living in non-smoking dormitories are less likely to ______ the habit of smoking.
| A．pick up | B．turn up |
| C．draw up | D．make up |
I can hardly imagine so pretty girl like you ______ boxing.
A. like B. to like
B. liking D. to have liked