当你在野外发生意外,急需援救时,你应该打出什么信号?A.SOS B. UFO C.WTO
Usually, it’s easier to make decision than to take action.
My parents want me to get further study to be _____ an engineer ____ a scientist,____ I would like to be a famous surgeon doctor.
The railway Qinghai to Tibet is the longest plateau (高原) railway in the world.
I find ____ useful _____ English well.
.We may meet all kinds of difficulties in the future, but we should be confident enough to --- any challenge.