Because of climate change, the ice that polar bears depend on for survival .
| A．are slowly disappearing |
| B．is slowly disappearing |
| C．are slowly disappeared |
| D．have slowly disappeared |
—Do you have ________ difficulty working out the problem?
—Yes. It is ________ me.
| A．no; easy for | B．some; within |
| C．any; within | D．any; beyond |
Britain has recently had a high level of unemployment—but the same is true ________ many other countries.
| A．at | B．from |
| C．of | D．to |
—I’m going to cut the big tree down? —What ________ ?
| A．by | B．to |
| C．with | D．at |
So far, several ships have been reported missing ________ the coast of Bermuda.
| A．off | B．along |
| C．on | D．around |
________ her hair getting gray, she has decided to have it dyed.
| A．As | B．For |
| C．With | D．Though |