______stopping polluting the earth______hope to live in a better environment．
| A．Only to；we Call | B．Only to；can we | C．Only by；can we | D．Only by；we can |
—These boxes are too heavy for me to move.
—Here, I’ll give you a hand ________ them.
| A．for | B．to |
| C．with | D．by |
________ her hair getting gray, she has decided to have it dyed.
| A．As | B．For |
| C．With | D．Though |
—I’m going to cut the big tree down? —What ________ ?
| A．by | B．to |
| C．with | D．at |
—I like coffee with nothing in it. What about you?
—I prefer coffee ________ sugar.
| A．to | B．for |
| C．with | D．than |
So far, several ships have been reported missing ________ the coast of Bermuda.
| A．off | B．along |
| C．on | D．around |